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targetmask.yaml
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targetmask.yaml
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#- THESE BIT DEFINITIONS WILL ALMOST CERTAINLY CHANGE
#- After some initial development experimentation we will freeze the bit
#- definitions, but we should expect this version (Nov 2015) to change.
#- DESI primary survey target bit mask: dark survey + calib +
desi_mask:
- [LRG, 0, "LRG", {obsconditions: DARK}]
- [ELG, 1, "ELG", {obsconditions: DARK|GRAY}]
- [QSO, 2, "QSO", {obsconditions: DARK}]
#- ADM QSO sub-classes
- [QSO_HIZ, 4, "QSO selected using high-redshift Random Forest (informational bit)", {obsconditions: DARK}]
#- North vs. South selections
- [LRG_NORTH, 8, "LRG cuts tuned for Bok/Mosaic data", {obsconditions: DARK}]
- [ELG_NORTH, 9, "ELG cuts tuned for Bok/Mosaic data", {obsconditions: DARK|GRAY}]
- [QSO_NORTH, 10, "QSO cuts tuned for Bok/Mosaic data", {obsconditions: DARK}]
- [LRG_SOUTH, 16, "LRG cuts tuned for DECam data", {obsconditions: DARK}]
- [ELG_SOUTH, 17, "ELG cuts tuned for DECam data", {obsconditions: DARK|GRAY}]
- [QSO_SOUTH, 18, "QSO cuts tuned for DECam data", {obsconditions: DARK}]
#- Calibration targets
- [SKY, 32, "Blank sky locations",
{obsconditions: DARK|GRAY|BRIGHT|BACKUP|TWILIGHT12|TWILIGHT18}]
- [STD_FAINT, 33, "Standard stars for dark/gray conditions", {obsconditions: DARK|GRAY}]
- [STD_WD, 34, "White Dwarf stars", {obsconditions: DARK|GRAY|BRIGHT}]
- [STD_BRIGHT, 35, "Standard stars for BRIGHT conditions",
{obsconditions: BRIGHT}]
- [BAD_SKY, 36, "Blank sky locations that are imperfect but still useable",
{obsconditions: DARK|GRAY|BRIGHT|BACKUP|TWILIGHT12|TWILIGHT18}]
- [SUPP_SKY, 37, "SKY is based on Gaia-avoidance (SKY will be set, too)",
{obsconditions: DARK|GRAY|BRIGHT|BACKUP|TWILIGHT12|TWILIGHT18}]
#- Reserving some bits that we may not use
# - [STD_FAINT_BEST, 38, "High quality faint standard stars", {obsconditions: DARK|GRAY}]
# - [STD_BRIGHT_BEST, 39, "High quality bright standard stars", {obsconditions: BRIGHT}]
#- Reserved convenience bits that can, e.g., be set downstream of desitarget
- [NO_TARGET, 49, "No known target at this location",
{obsconditions: DARK|GRAY|BRIGHT|BACKUP|TWILIGHT12|TWILIGHT18}]
#- Related to bright object masking
- [BRIGHT_OBJECT, 50, "Known bright object to avoid", {obsconditions: APOCALYPSE}]
- [IN_BRIGHT_OBJECT, 51, "Too near a bright object; DO NOT OBSERVE", {obsconditions: APOCALYPSE}]
- [NEAR_BRIGHT_OBJECT, 52, "Near a bright object but ok to observe",
{obsconditions: DARK|GRAY|BRIGHT|BACKUP|TWILIGHT12|TWILIGHT18}]
#- A bit for another survey is set
- [BGS_ANY, 60, "Any BGS bit is set", {obsconditions: IGNORE}]
- [MWS_ANY, 61, "Any MWS bit is set", {obsconditions: IGNORE}]
- [SCND_ANY , 62, "Any secondary bit is set",
{obsconditions: DARK|GRAY|BRIGHT|BACKUP|TWILIGHT12|TWILIGHT18}]
#- Bright Galaxy Survey
bgs_mask:
- [BGS_FAINT, 0, "BGS faint targets", {obsconditions: BRIGHT|GRAY|DARK}]
- [BGS_BRIGHT, 1, "BGS bright targets", {obsconditions: BRIGHT}]
- [BGS_WISE, 2, "BGS wise targets", {obsconditions: BRIGHT}]
- [BGS_FAINT_HIP, 3, "BGS faint targets at bright priorty", {obsconditions: BRIGHT}]
#- BGS North vs. South selections
- [BGS_FAINT_NORTH, 8, "BGS faint cuts tuned for Bok/Mosaic", {obsconditions: BRIGHT|GRAY|DARK}]
- [BGS_BRIGHT_NORTH, 9, "BGS bright cuts tuned for Bok/Mosaic", {obsconditions: BRIGHT}]
- [BGS_WISE_NORTH, 10, "BGS WISE cuts tuned for Bok/Mosaic", {obsconditions: BRIGHT}]
- [BGS_FAINT_SOUTH, 16, "BGS faint cuts tuned for DECam", {obsconditions: BRIGHT|GRAY|DARK}]
- [BGS_BRIGHT_SOUTH, 17, "BGS bright cuts tuned for DECam", {obsconditions: BRIGHT}]
- [BGS_WISE_SOUTH, 18, "BGS WISE cuts tuned for DECam", {obsconditions: BRIGHT}]
#- Milky Way Survey
mws_mask:
# First layer defines main samples -- these are expected to have distinct
# input catalogues.
#- Bits 0-3 (7 ids)
- [MWS_BROAD, 0, "Milky Way Survey magnitude limited bulk sample", {obsconditions: BRIGHT}]
- [MWS_WD, 1, "Milky Way Survey White Dwarf", {obsconditions: BRIGHT|GRAY|DARK}]
- [MWS_NEARBY, 2, "Milky Way Survey volume-complete ~100pc sample", {obsconditions: BRIGHT}]
# Second layer flags additional subclasses that could apply to any
# of the main classes. These sort targets in each input catalog into
# distinct groups for the purpose of assigning priorities and observing
# conditions.
# e.g. MWS_MAIN & MWS_LOW_GAL_B & MWS_MAIN_FAINT & MWS_PLX & MWS_REOBS
# => A main sample star at low galactic latitude, faint enough to be
# considered filler but with parallax factored into the subpriority and
# targeted for reobservation if possible.
#- 4: MWS_BROAD north/south splits
- [MWS_BROAD_NORTH, 4, "Milky Way Survey cuts tuned for Bok/Mosaic", {obsconditions: BRIGHT}]
- [MWS_BROAD_SOUTH, 5, "Milky Way Survey cuts tuned for DECam", {obsconditions: BRIGHT}]
#- 6: MWS BHBs
- [MWS_BHB, 6, "Milky Way Survey Blue Horizontal Branch stars", {obsconditions: BRIGHT|GRAY|DARK}]
#- 8: Sub-classes of MWS_MAIN
- [MWS_MAIN_BLUE, 8, "Milky Way Survey magnitude limited blue sample", {obsconditions: BRIGHT}]
- [MWS_MAIN_BLUE_NORTH, 9, "MWS magnitude limited blue sample tuned for Bok/Mosaic", {obsconditions: BRIGHT}]
- [MWS_MAIN_BLUE_SOUTH, 10, "MWS magnitude limited blue sample tuned for DECam", {obsconditions: BRIGHT}]
- [MWS_MAIN_RED, 11, "Milky Way Survey magnitude limited red sample", {obsconditions: BRIGHT}]
- [MWS_MAIN_RED_NORTH, 12, "MWS magnitude limited red sample tuned for Bok/Mosaic", {obsconditions: BRIGHT}]
- [MWS_MAIN_RED_SOUTH, 13, "MWS magnitude limited red sample tuned for DECam", {obsconditions: BRIGHT}]
# ADM Standard stars based only on Gaia.
- [GAIA_STD_FAINT, 33, "Standard stars for dark/gray conditions", {obsconditions: DARK|GRAY}]
- [GAIA_STD_WD, 34, "White Dwarf stars", {obsconditions: DARK|GRAY|BRIGHT}]
- [GAIA_STD_BRIGHT, 35, "Standard stars for BRIGHT conditions", {obsconditions: BRIGHT}]
# ADM back-up targets for poor conditions and as filler.
- [BACKUP_BRIGHT, 60, "Bright backup Gaia targets", {obsconditions: BACKUP|TWILIGHT12|TWILIGHT18}]
- [BACKUP_FAINT, 61, "Fainter backup Gaia targets", {obsconditions: BACKUP|TWILIGHT12|TWILIGHT18}]
- [BACKUP_VERY_FAINT, 62, "Even fainter backup Gaia targets", {obsconditions: BACKUP|TWILIGHT12|TWILIGHT18}]
#- ADM secondary survey targets bit mask.
#- ADM note that the 'filenames', here, should all be present in the
#- ADM directory that corresponds to the $SECONDARY_DIR environment
#- ADM variable, e.g. $SECONDARY_DIR/veto.fits for VETO targets.
scnd_mask:
- [VETO, 0, "Never observe, even if a primary target bit is set",
{obsconditions: DARK|GRAY|BRIGHT|BACKUP|TWILIGHT12|TWILIGHT18, filename: 'veto', downsample: 1}]
- [DR16Q, 1, "Known quasars from the SDSS DR16Q catalog",
{obsconditions: DARK|GRAY, filename: 'dr16q', downsample: 1}]
# ADM reserve 60/61 in scnd_mask for Targets of Opportunity in both SV and the Main Survey.
- [BRIGHT_TOO, 60, "Targets of Opportunity from rolling ledger", {obsconditions: BRIGHT, flavor: 'TOO'}]
- [DARK_TOO, 61, "Targets of Opportunity from rolling ledger", {obsconditions: DARK, flavor: 'TOO'}]
#- Observing conditions
#- These are a bitmask to allow target bits to specify multiple conditions
#- in which they are allowed to be observed.
#- See DESI-0311 and DESI-0333 for discussion of DARK vs. GRAY
obsconditions:
- [DARK, 0, "Moon is down"]
- [GRAY, 1, "Moon up; illum fraction<0.6 and (illum*elev)<30 deg"]
- [BRIGHT, 2, "Moon up and bright (not GRAY)"]
- [BACKUP, 3, "Very bad seeing, high extinction, or bright cloud cover"]
- [TWILIGHT12, 4, "Between sunset/sunrise and 12 degree twilight"]
- [TWILIGHT18, 5, "Between 12 and 18 degree twilight"]
- [DAY, 6, "Daytime calibrations"]
- [CLOSED, 7, "Nighttime but dome is closed due to rain, wind, dew..."]
- [APOCALYPSE, 8, "Conditions are so bad that the world is ending anyway"]
- [IGNORE, 9, "Used to indicate that obsconditions are set by a sub-bit rather than this bit"]
#- Observation State
#- if a target passes more than one target bit, it is possible that one bit
#- will consider the observations "DONE" while another bit will want "MORE".
#- DONOTOBSERVE trumps MORE which trumps DONE
# ADM The MORE_MIDZQSO priority is driven by secondary programs from Gontcho a Gontcho (1.4 < z < 2.1)
# ADM and Weiner et al. (0.7 < z < 2.1) to reobserve confirmed quasars where possible. The priority
# ADM of 100 should only be higher than DONE (and secondary filler) targets.
obsmask:
- [UNOBS, 0, "unobserved"]
- [OBS, 1, "observed but no spectro pipeline answer yet"]
- [DONE, 2, "enough observations already obtained"]
- [MORE_ZWARN, 3, "ambiguous redshift; need more observations"]
- [MORE_ZGOOD, 4, "redshift known; need more observations"]
- [MORE_MIDZQSO, 8, "z > 0.7 QSO; more observations at very low priority"]
- [DONOTOBSERVE, 16, "Do not observe this target (possibly temporarily)"]
#- Bits that can be set in TARGETID. See the schema at
#- https://desi.lbl.gov/DocDB/cgi-bin/private/RetrieveFile?docid=2348
#- Updated to include RELEASE from the new DR4+ data model, circa June 30th, 2016
targetid_mask:
- [OBJID, 0, "RIGHTMOST bit that encodes OBJID (OBJID encompasses bits 0-21 inclusive)", {nbits: 22}]
- [BRICKID, 22, "RIGHTMOST bit that encodes BRICKID (BRICKID encompasses bits 22-41 inclusive)", {nbits: 20}]
- [RELEASE, 42, "RIGHTMOST bit that encodes Data Release (DR encompasses bits 42-57 inclusive)", {nbits: 16}]
- [MOCK, 58, "this target is a mock target", {nbits: 1}]
- [SKY, 59, "this target is a sky fiber target", {nbits: 1}]
- [GAIADR, 60, "RIGHTMOST bit encoding Gaia DR number when not in Legacy Surveys (bits 60-61)", {nbits: 2}]
- [RESERVED, 62, "RIGHTMOST bit for left over bit space (encompasses bit 62 inclusive)", {nbits: 1}]
#- Priorities for each target bit
#- Numerically larger priorities are higher priority to be observed first.
#- NOTE: these aren't a bitmask, they are a mapping from bit -> priority
#- SAME_AS_XXX means to use the priorities for bitname XXX
#- -1 means the concept of priority doesn't really apply to this target class
#- Every target bit must define priority for "UNOBS"
#- Default priority for "MORE_ZGOOD" and "MORE_ZWARN" is same as "UNOBS"
#- Other states are default 1 unless specified here
#- -1 means that the concept of priority doesn't apply to this bit
priorities:
#- Dark Survey: priorities 3000 - 3999
desi_mask:
# ADM safest to set MORE_ZGOOD for ELGs/LRGs to DONE PROVIDED they have NUMOBS=1 as
# ADM they can match QSO targets that require multiple observations and trump those
# ADM QSOs with a higher priority. There is a unit test to check NUMOBS=1 for ELGs/LRGs.
ELG: {UNOBS: 3000, MORE_ZGOOD: 2, DONE: 2, OBS: 1, DONOTOBSERVE: 0}
LRG: {UNOBS: 3200, MORE_ZGOOD: 2, DONE: 2, OBS: 1, DONOTOBSERVE: 0}
# ADM The MORE_MIDZQSO priority is driven by secondary programs from Gontcho a Gontcho (1.4 < z < 2.1)
# ADM and Weiner et al. (0.7 < z < 2.1) to reobserve confirmed quasars where possible. The priority
# ADM of 100 should only be higher than DONE (and secondary filler) targets.
QSO: {UNOBS: 3400, MORE_ZGOOD: 3350, MORE_ZWARN: 3300, MORE_MIDZQSO: 100, DONE: 2, OBS: 1, DONOTOBSERVE: 0}
# ADM don't prioritize a N/S target if it doesn't have other bits set
LRG_NORTH: {UNOBS: 0, DONE: 0, OBS: 0, DONOTOBSERVE: 0}
QSO_HIZ: SAME_AS_LRG_NORTH
ELG_NORTH: SAME_AS_LRG_NORTH
QSO_NORTH: SAME_AS_LRG_NORTH
LRG_SOUTH: SAME_AS_LRG_NORTH
ELG_SOUTH: SAME_AS_LRG_NORTH
QSO_SOUTH: SAME_AS_LRG_NORTH
BAD_SKY: {UNOBS: 0, OBS: 0, DONE: 0, MORE_ZWARN: 0, MORE_ZGOOD: 0}
#- Standards and sky are treated specially; priorities don't apply
STD_FAINT: -1
STD_WD: -1
SKY: -1
SUPP_SKY: -1
STD_BRIGHT: -1
# STD_FAINT_BEST: -1
# STD_BRIGHT_BEST: -1
NO_TARGET: -1
#- placeholders to show we haven't forgotten these bits, but the
#- exact bits in the other sections define the priorities
BRIGHT_OBJECT: -1
IN_BRIGHT_OBJECT: -1
NEAR_BRIGHT_OBJECT: -1
BGS_ANY: -1
MWS_ANY: -1
SCND_ANY: -1
#- Bright Galaxy Survey: priorities 2000-2997
# ADM reserve 2998 for MWS_WD (ensuring a priority below Dark Survey targets, just in case)
#- reobserving successes has lower priority than MWS
bgs_mask:
BGS_FAINT: {UNOBS: 2000, MORE_ZWARN: 2, MORE_ZGOOD: 1000, DONE: 2, OBS: 1, DONOTOBSERVE: 0}
BGS_BRIGHT: {UNOBS: 2100, MORE_ZWARN: 2, MORE_ZGOOD: 1000, DONE: 2, OBS: 1, DONOTOBSERVE: 0}
BGS_WISE: {UNOBS: 2000, MORE_ZWARN: 2, MORE_ZGOOD: 1000, DONE: 2, OBS: 1, DONOTOBSERVE: 0}
BGS_FAINT_HIP: {UNOBS: 2100, MORE_ZWARN: 2, MORE_ZGOOD: 1000, DONE: 2, OBS: 1, DONOTOBSERVE: 0}
# ADM don't prioritize a N/S target if it doesn't have other bits set
BGS_FAINT_SOUTH: {UNOBS: 0, MORE_ZWARN: 0, MORE_ZGOOD: 0, DONE: 0, OBS: 0, DONOTOBSERVE: 0}
BGS_FAINT_NORTH: SAME_AS_BGS_FAINT_SOUTH
BGS_BRIGHT_SOUTH: SAME_AS_BGS_FAINT_SOUTH
BGS_BRIGHT_NORTH: SAME_AS_BGS_FAINT_SOUTH
BGS_WISE_SOUTH: SAME_AS_BGS_FAINT_SOUTH
BGS_WISE_NORTH: SAME_AS_BGS_FAINT_SOUTH
#- Milky Way Survey: priorities 1000-1999
# ADM WDs should be prioritized above BGS at 2998
mws_mask:
MWS_BROAD: {UNOBS: 1400, MORE_ZWARN: 2, MORE_ZGOOD: 2, DONE: 2, OBS: 1, DONOTOBSERVE: 0}
MWS_WD: {UNOBS: 2998, MORE_ZWARN: 2, MORE_ZGOOD: 2, DONE: 2, OBS: 1, DONOTOBSERVE: 0}
MWS_NEARBY: {UNOBS: 1600, MORE_ZWARN: 2, MORE_ZGOOD: 2, DONE: 2, OBS: 1, DONOTOBSERVE: 0}
MWS_BHB: {UNOBS: 1550, MORE_ZWARN: 2, MORE_ZGOOD: 2, DONE: 2, OBS: 1, DONOTOBSERVE: 0}
# ADM don't prioritize a N/S target if it doesn't have other bits set
MWS_BROAD_NORTH: {UNOBS: 0, DONE: 0, OBS: 0, DONOTOBSERVE: 0}
MWS_BROAD_SOUTH: SAME_AS_MWS_BROAD_NORTH
MWS_MAIN_BLUE: {UNOBS: 1500, MORE_ZWARN: 2, MORE_ZGOOD: 2, DONE: 2, OBS: 1, DONOTOBSERVE: 0}
MWS_MAIN_BLUE_NORTH: SAME_AS_MWS_BROAD_NORTH
MWS_MAIN_BLUE_SOUTH: SAME_AS_MWS_BROAD_NORTH
MWS_MAIN_RED: SAME_AS_MWS_MAIN_BLUE
MWS_MAIN_RED_NORTH: SAME_AS_MWS_BROAD_NORTH
MWS_MAIN_RED_SOUTH: SAME_AS_MWS_BROAD_NORTH
BACKUP_BRIGHT: {UNOBS: 9, DONE: 2, OBS: 1, DONOTOBSERVE: 0}
BACKUP_FAINT: {UNOBS: 8, DONE: 2, OBS: 1, DONOTOBSERVE: 0}
BACKUP_VERY_FAINT: {UNOBS: 7, DONE: 2, OBS: 1, DONOTOBSERVE: 0}
# ADM Standards are special; priorities don't apply.
GAIA_STD_FAINT: -1
GAIA_STD_WD: -1
GAIA_STD_BRIGHT: -1
# ADM secondary target priorities. Probably all have very low UNOBS...
scnd_mask:
# ADM ...except VETO, which is special and always takes precedence.
VETO: {UNOBS: 10000, DONE: 10000, OBS: 0, DONOTOBSERVE: 0}
DR16Q: {UNOBS: 10, DONE: 2, OBS: 1, DONOTOBSERVE: 0}
BRIGHT_TOO: {UNOBS: 9999, DONE: 2, OBS: 1, DONOTOBSERVE: 0}
DARK_TOO: SAME_AS_BRIGHT_TOO
# ADM INITIAL number of observations (NUMOBS_INIT) for each target bit
# ADM SAME_AS_XXX means to use the NUMOBS_INIT for bitname XXX
# ADM -1 means that the concept of NUMOBS_INIT doesn't apply to this bit
numobs:
# ADM initial number of observations for targets in the main (dark time) survey
desi_mask:
ELG: 1
LRG: 1
QSO: 4
# ADM don't observe a N/S target if it doesn't have other bits set
LRG_NORTH: 0
ELG_NORTH: 0
QSO_NORTH: 0
LRG_SOUTH: 0
ELG_SOUTH: 0
QSO_SOUTH: 0
BAD_SKY: 0
#- Standards and sky are treated specially; NUMOBS doesn't apply
STD_FAINT: -1
STD_WD: -1
SKY: -1
SUPP_SKY: -1
STD_BRIGHT: -1
# STD_FAINT_BEST: -1
# STD_BRIGHT_BEST: -1
NO_TARGET: -1
#- placeholders to show we haven't forgotten these bits, but the
#- exact bits in the other sections define the number of observations
QSO_HIZ: -1
BRIGHT_OBJECT: -1
IN_BRIGHT_OBJECT: -1
NEAR_BRIGHT_OBJECT: -1
BGS_ANY: -1
MWS_ANY: -1
SCND_ANY: -1
# ADM initial number of observations for targets in the Bright Galaxy Survey
bgs_mask:
BGS_FAINT: 1
BGS_BRIGHT: 1
BGS_WISE: 1
BGS_FAINT_HIP: 1
# ADM don't observe a N/S target if it doesn't have other bits set
BGS_FAINT_SOUTH: 0
BGS_FAINT_NORTH: 0
BGS_BRIGHT_SOUTH: 0
BGS_BRIGHT_NORTH: 0
BGS_WISE_SOUTH: 0
BGS_WISE_NORTH: 0
# ADM initial number of observations for targets in the Bright Galaxy Survey
mws_mask:
MWS_BROAD: 1
MWS_WD: 1
MWS_NEARBY: 1
MWS_BHB: 1
# ADM don't observe a N/S target if it doesn't have other bits set
MWS_BROAD_NORTH: 0
MWS_BROAD_SOUTH: 0
MWS_MAIN_BLUE: 1
MWS_MAIN_BLUE_NORTH: 0
MWS_MAIN_BLUE_SOUTH: 0
MWS_MAIN_RED: SAME_AS_MWS_MAIN_BLUE
MWS_MAIN_RED_NORTH: 0
MWS_MAIN_RED_SOUTH: 0
BACKUP_BRIGHT: 1
BACKUP_FAINT: SAME_AS_BACKUP_BRIGHT
BACKUP_VERY_FAINT: SAME_AS_BACKUP_BRIGHT
# ADM Standards are special; numobs doesn't apply.
GAIA_STD_FAINT: -1
GAIA_STD_WD: -1
GAIA_STD_BRIGHT: -1
# ADM initial number of observations for secondary targets
scnd_mask:
VETO: 1
DR16Q: 1
BRIGHT_TOO: 1
DARK_TOO: SAME_AS_BRIGHT_TOO