Exposure
- ID
- GRAVI.2022-05-20T04:49:20.599_1
- Header ID
- GRAVI.2022-05-20T04:49:20.599
- Date updated
- 2022-05-20 05:00:59 UTC+0000
- Release date
- 2023-05-20 05:00:58 UTC+0000
- UTC Start
- 2022-05-20 04:49:20.599
- UTC End
- 2022-05-20 04:54:40.599
- MJD Start
- 59719.20093286
- MJD End
- 59719.2046365637
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.009843
- Ambient temperature (°C)
- 13.12
- Seeing (arcsec)
- 0.41
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 | 56.4220 | 56.4400 | 12.8000 | 13.6000 |
| U1-U3 | 101.7610 | 101.8420 | 18.6000 | 19.4000 |
| U1-U4 | 124.6960 | 125.2670 | 45.3430 | 46.2910 |
| U2-U3 | 45.9890 | 46.0610 | 25.8000 | 26.6000 |
| U2-U4 | 82.9010 | 83.5590 | 66.8280 | 67.7110 |
| U3-U4 | 56.9100 | 57.4510 | 98.8960 | 99.5010 |
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 | 59719.20093286 |
| 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 | 56.422 |
| HIERARCH ESO ISS PBL12 END | 56.44 |
| HIERARCH ESO ISS PBLA12 START | 12.8 |
| HIERARCH ESO ISS PBLA12 END | 13.6 |
| HIERARCH ESO ISS PBL13 START | 101.761 |
| HIERARCH ESO ISS PBL13 END | 101.842 |
| HIERARCH ESO ISS PBLA13 START | 18.6 |
| HIERARCH ESO ISS PBLA13 END | 19.4 |
| HIERARCH ESO ISS PBL14 START | 124.696 |
| HIERARCH ESO ISS PBL14 END | 125.267 |
| HIERARCH ESO ISS PBLA14 START | 45.343 |
| HIERARCH ESO ISS PBLA14 END | 46.291 |
| HIERARCH ESO ISS PBL23 START | 45.989 |
| HIERARCH ESO ISS PBL23 END | 46.061 |
| HIERARCH ESO ISS PBLA23 START | 25.8 |
| HIERARCH ESO ISS PBLA23 END | 26.6 |
| HIERARCH ESO ISS PBL24 START | 82.901 |
| HIERARCH ESO ISS PBL24 END | 83.559 |
| HIERARCH ESO ISS PBLA24 START | 66.828 |
| HIERARCH ESO ISS PBLA24 END | 67.711 |
| HIERARCH ESO ISS PBL34 START | 56.91 |
| HIERARCH ESO ISS PBL34 END | 57.451 |
| HIERARCH ESO ISS PBLA34 START | 98.896 |
| HIERARCH ESO ISS PBLA34 END | 99.501 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.010111 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.009575 |
| HIERARCH ESO ISS AMBI TEMP | 13.12 |
| HIERARCH ESO ISS AMBI FWHM START | 0.4 |
| HIERARCH ESO ISS AMBI FWHM END | 0.42 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |