| Bit name |
Binary digit |
Description |
| APOGEE_FAINT |
0 |
Star selected in faint bin of cohort |
| APOGEE_MEDIUM |
1 |
Star selected in medium bin of cohort |
| APOGEE_BRIGHT |
2 |
Star selected in bright bin of cohort |
| APOGEE_IRAC_DERED |
3 |
Star selected using RJCE-IRAC dereddening |
| APOGEE_WISE_DERED |
4 |
Star selected using RJCE-WISE dereddening |
| APOGEE_SFD_DERED |
5 |
Selected using SFD E(B-V) dereddening |
| APOGEE_NO_DERED |
6 |
Star selected using no dereddening |
| APOGEE_WASH_GIANT |
7 |
Selected as giant star via Washington+DDO51 photometry |
| APOGEE_WASH_DWARF |
8 |
Selected as dwarf star via Washington+DDO51 photometry |
| APOGEE_SCI_CLUSTER |
9 |
Probable stellar cluster member |
| APOGEE_EXTENDED |
10 |
Extended object |
| APOGEE_SHORT |
11 |
Short cohort target star |
| APOGEE_INTERMEDIATE |
12 |
Intermediate cohort target star |
| APOGEE_LONG |
13 |
Long cohort target star |
| --- |
14 |
--- |
| APOGEE_SERENDIPITOUS |
15 |
Serendipitous interesting target to reobserve |
| APOGEE_FIRST_LIGHT |
16 |
"First Light" cluster target |
| APOGEE_ANCILLARY |
17 |
An ancillary program target (particular program specified in other
bits, see below) |
| APOGEE_M31_CLUSTER |
18 |
M31 cluster target (ancillary) |
| APOGEE_MDWARF |
19 |
M dwarf star selected for RV/metallicity program (ancillary) |
| APOGEE_HIRES |
20 |
Star with optical hi-res spectra (ancillary) |
| APOGEE_OLD_STAR |
21 |
Selected as old star (ancillary) |
| APOGEE_DISK_RED_GIANT |
22 |
Disk red giant star (ancillary) |
| APOGEE_KEPLER_EB |
23 |
Eclipsing binary star from Kepler (ancillary) |
| APOGEE_GC_PAL1 |
24 |
Star in Pal1 globular cluster (ancillary) |
| APOGEE_MASSIVE_STAR |
25 |
Massive star (ancillary) |
| APOGEE_SGR_DSPH |
26 |
Sagittarius dwarf galaxy member |
| APOGEE_KEPLER_SEISMO |
27 |
Kepler astroseismology program target star |
| APOGEE_KEPLER_HOST |
28 |
Kepler planet-host program target star |
| APOGEE_FAINT_EXTRA |
29 |
Selected as faint target for low target density field |
| APOGEE_SEGUE_OVERLAP |
30 |
Selected because of overlap with SEGUE survey |
| APOGEE_CHECKED |
31 |
This object was checked for APOGEE target selection. |
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