Exposure
- ID
- GRAVI.2022-05-20T10:01:06.385_1
- Header ID
- GRAVI.2022-05-20T10:01:06.385
- Date updated
- 2022-05-20 10:05:55 UTC+0000
- Release date
- 2023-05-20 10:05:55 UTC+0000
- UTC Start
- 2022-05-20 10:01:06.385
- UTC End
- 2022-05-20 10:01:26.385
- MJD Start
- 59719.41743501
- MJD End
- 59719.4176664915
- Exposure time (s)
- 20.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.008243
- Ambient temperature (°C)
- 12.02
- Seeing (arcsec)
- 0.4
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 | 49.3220 | 49.2890 | 40.6000 | 40.6000 |
| U1-U3 | 85.9680 | 85.8940 | 46.6000 | 46.6000 |
| U1-U4 | 93.3860 | 93.2240 | 79.8160 | 79.8560 |
| U2-U3 | 37.2890 | 37.2480 | 54.7000 | 54.7000 |
| U2-U4 | 63.4150 | 63.3070 | 109.3000 | 109.3920 |
| U3-U4 | 51.7190 | 51.6830 | 145.3090 | 145.4240 |
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 | 59719.41743501 |
| 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 | 34.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 2 |
| HIERARCH ESO ISS PBL12 START | 49.322 |
| HIERARCH ESO ISS PBL12 END | 49.289 |
| HIERARCH ESO ISS PBLA12 START | 40.6 |
| HIERARCH ESO ISS PBLA12 END | 40.6 |
| HIERARCH ESO ISS PBL13 START | 85.968 |
| HIERARCH ESO ISS PBL13 END | 85.894 |
| HIERARCH ESO ISS PBLA13 START | 46.6 |
| HIERARCH ESO ISS PBLA13 END | 46.6 |
| HIERARCH ESO ISS PBL14 START | 93.386 |
| HIERARCH ESO ISS PBL14 END | 93.224 |
| HIERARCH ESO ISS PBLA14 START | 79.816 |
| HIERARCH ESO ISS PBLA14 END | 79.856 |
| HIERARCH ESO ISS PBL23 START | 37.289 |
| HIERARCH ESO ISS PBL23 END | 37.248 |
| HIERARCH ESO ISS PBLA23 START | 54.7 |
| HIERARCH ESO ISS PBLA23 END | 54.7 |
| HIERARCH ESO ISS PBL24 START | 63.415 |
| HIERARCH ESO ISS PBL24 END | 63.307 |
| HIERARCH ESO ISS PBLA24 START | 109.3 |
| HIERARCH ESO ISS PBLA24 END | 109.392 |
| HIERARCH ESO ISS PBL34 START | 51.719 |
| HIERARCH ESO ISS PBL34 END | 51.683 |
| HIERARCH ESO ISS PBLA34 START | 145.309 |
| HIERARCH ESO ISS PBLA34 END | 145.424 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008243 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008243 |
| HIERARCH ESO ISS AMBI TEMP | 12.02 |
| HIERARCH ESO ISS AMBI FWHM START | 0.4 |
| HIERARCH ESO ISS AMBI FWHM END | 0.4 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5299 |