Exposure
- ID
- GRAVI.2022-05-20T08:18:51.127_1
- Header ID
- GRAVI.2022-05-20T08:18:51.127
- Date updated
- 2022-05-20 08:30:54 UTC+0000
- Release date
- 2023-05-20 08:30:54 UTC+0000
- UTC Start
- 2022-05-20 08:18:51.127
- UTC End
- 2022-05-20 08:24:11.127
- MJD Start
- 59719.34642508
- MJD End
- 59719.3501287837
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0069525
- Ambient temperature (°C)
- 12.13
- Seeing (arcsec)
- 0.345
Observation
- ID
- 50946
- Category
- science
- Program ID
- 109.22ZA.002
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - PROBING EVENT HORIZON SCALE PHYSICS WITH STARS AND FLARES
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ GENZEL/ OTT/ STRAUBMEIER/ ROUSSELET-PERRAUT/ BRANDNER/ GARCIA/ ECKART/ DE ZEEUW/ STADLER/ VON FELLENBERG/ WIDMANN/ PERRIN/ PAUMARD/ HORROBIN/ VINCENT/ HEIßEL/ DRESCHER/ BOURDAROT/ STRAUB/ CAO
Target
- ID
- 37997
- Name
- S2
- RA
- 266.416858
- DEC
- -29.00723
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 54.5250 | 54.3310 | 35.3000 | 35.7000 |
| U1-U3 | 97.8410 | 97.3900 | 41.6000 | 42.0000 |
| U1-U4 | 120.3000 | 119.2480 | 70.9780 | 71.4990 |
| U2-U3 | 44.0610 | 43.8010 | 49.5000 | 49.9000 |
| U2-U4 | 82.3830 | 81.6080 | 93.6760 | 94.4060 |
| U3-U4 | 59.3520 | 58.9960 | 124.8330 | 125.7690 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 109.22ZA.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59719.34642508 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416858 |
| DEC | -29.00723 |
| HIERARCH ESO INS SPEC RES | LOW |
| HIERARCH ESO INS POLA MODE | SPLIT |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | U1 |
| HIERARCH ESO ISS CONF STATION2 | U2 |
| HIERARCH ESO ISS CONF STATION3 | U3 |
| HIERARCH ESO ISS CONF STATION4 | U4 |
| EXPTIME | 342.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 32 |
| HIERARCH ESO ISS PBL12 START | 54.525 |
| HIERARCH ESO ISS PBL12 END | 54.331 |
| HIERARCH ESO ISS PBLA12 START | 35.3 |
| HIERARCH ESO ISS PBLA12 END | 35.7 |
| HIERARCH ESO ISS PBL13 START | 97.841 |
| HIERARCH ESO ISS PBL13 END | 97.39 |
| HIERARCH ESO ISS PBLA13 START | 41.6 |
| HIERARCH ESO ISS PBLA13 END | 42.0 |
| HIERARCH ESO ISS PBL14 START | 120.3 |
| HIERARCH ESO ISS PBL14 END | 119.248 |
| HIERARCH ESO ISS PBLA14 START | 70.978 |
| HIERARCH ESO ISS PBLA14 END | 71.499 |
| HIERARCH ESO ISS PBL23 START | 44.061 |
| HIERARCH ESO ISS PBL23 END | 43.801 |
| HIERARCH ESO ISS PBLA23 START | 49.5 |
| HIERARCH ESO ISS PBLA23 END | 49.9 |
| HIERARCH ESO ISS PBL24 START | 82.383 |
| HIERARCH ESO ISS PBL24 END | 81.608 |
| HIERARCH ESO ISS PBLA24 START | 93.676 |
| HIERARCH ESO ISS PBLA24 END | 94.406 |
| HIERARCH ESO ISS PBL34 START | 59.352 |
| HIERARCH ESO ISS PBL34 END | 58.996 |
| HIERARCH ESO ISS PBLA34 START | 124.833 |
| HIERARCH ESO ISS PBLA34 END | 125.769 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.0064 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007505 |
| HIERARCH ESO ISS AMBI TEMP | 12.13 |
| HIERARCH ESO ISS AMBI FWHM START | 0.35 |
| HIERARCH ESO ISS AMBI FWHM END | 0.34 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |