Exposure
- ID
- GRAVI.2023-08-31T23:55:49.033_1
- Header ID
- GRAVI.2023-08-31T23:55:49.033
- Date updated
- 2023-09-01 00:10:26 UTC+0000
- Release date
- 2023-08-31 23:55:49 UTC+0000
- UTC Start
- 2023-08-31 23:55:49.033
- UTC End
- 2023-09-01 00:01:49.033
- MJD Start
- 60187.99709529
- MJD End
- 60188.00126195666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003
- Ambient temperature (°C)
- 12.07
- Seeing (arcsec)
- 1.08
Observation
- ID
- 56824
- Category
- calibrator
- Program ID
- 111.24H1.005
- 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/ BRANDNER/ ROUSSELET-PERRAUT/ PERRIN/ GARCIA/ ECKART/ DE ZEEUW/ WIDMANN/ PAUMARD/ HORROBIN/ VINCENT/ DRESCHER/ BOURDAROT/ CAO/ LUTZ/ STURM/ RIBEIRO
Target
- ID
- 42113
- Name
- R2
- RA
- 266.416846
- DEC
- -29.00725
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.3790 | 56.3240 | 26.8000 | 27.5000 |
| U1-U3 | 102.1200 | 102.0010 | 33.2000 | 33.9000 |
| U1-U4 | 129.9770 | 129.7750 | 61.2620 | 62.0000 |
| U2-U3 | 46.5100 | 46.4460 | 40.9000 | 41.6000 |
| U2-U4 | 89.3690 | 89.2620 | 82.1690 | 82.9460 |
| U3-U4 | 62.4710 | 62.4600 | 111.5860 | 112.3760 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.005 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 60187.99709529 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | R2 |
| RA | 266.416846 |
| DEC | -29.00725 |
| 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 | 389.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 56.379 |
| HIERARCH ESO ISS PBL12 END | 56.324 |
| HIERARCH ESO ISS PBLA12 START | 26.8 |
| HIERARCH ESO ISS PBLA12 END | 27.5 |
| HIERARCH ESO ISS PBL13 START | 102.12 |
| HIERARCH ESO ISS PBL13 END | 102.001 |
| HIERARCH ESO ISS PBLA13 START | 33.2 |
| HIERARCH ESO ISS PBLA13 END | 33.9 |
| HIERARCH ESO ISS PBL14 START | 129.977 |
| HIERARCH ESO ISS PBL14 END | 129.775 |
| HIERARCH ESO ISS PBLA14 START | 61.262 |
| HIERARCH ESO ISS PBLA14 END | 62.0 |
| HIERARCH ESO ISS PBL23 START | 46.51 |
| HIERARCH ESO ISS PBL23 END | 46.446 |
| HIERARCH ESO ISS PBLA23 START | 40.9 |
| HIERARCH ESO ISS PBLA23 END | 41.6 |
| HIERARCH ESO ISS PBL24 START | 89.369 |
| HIERARCH ESO ISS PBL24 END | 89.262 |
| HIERARCH ESO ISS PBLA24 START | 82.169 |
| HIERARCH ESO ISS PBLA24 END | 82.946 |
| HIERARCH ESO ISS PBL34 START | 62.471 |
| HIERARCH ESO ISS PBL34 END | 62.46 |
| HIERARCH ESO ISS PBLA34 START | 111.586 |
| HIERARCH ESO ISS PBLA34 END | 112.376 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002752 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003248 |
| HIERARCH ESO ISS AMBI TEMP | 12.07 |
| HIERARCH ESO ISS AMBI FWHM START | 1.25 |
| HIERARCH ESO ISS AMBI FWHM END | 0.91 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5209 |