Exposure
- ID
- GRAVI.2023-08-02T23:32:15.799_1
- Header ID
- GRAVI.2023-08-02T23:32:15.799
- Date updated
- 2023-08-02 23:50:26 UTC+0000
- Release date
- 2023-08-02 23:32:15 UTC+0000
- UTC Start
- 2023-08-02 23:32:15.799
- UTC End
- 2023-08-02 23:38:15.799
- MJD Start
- 60158.98073841
- MJD End
- 60158.984905076664
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005915999999999999
- Ambient temperature (°C)
- 19.03
- Seeing (arcsec)
- 0.66
Observation
- ID
- 56500
- Category
- calibrator
- Program ID
- 111.24H1.004
- 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
- 41873
- Name
- R2
- RA
- 266.41687
- DEC
- -29.00725
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.3450 | 56.3660 | 9.6000 | 10.5000 |
| U1-U3 | 101.4260 | 101.5200 | 15.2000 | 16.1000 |
| U1-U4 | 122.1840 | 122.9140 | 41.2810 | 42.4520 |
| U2-U3 | 45.6800 | 45.7680 | 22.1000 | 23.1000 |
| U2-U4 | 79.9400 | 80.8130 | 63.0280 | 64.1270 |
| U3-U4 | 54.4260 | 55.1660 | 96.4140 | 97.1120 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.004 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 60158.98073841 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | R2 |
| RA | 266.41687 |
| 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 | 56.345 |
| HIERARCH ESO ISS PBL12 END | 56.366 |
| HIERARCH ESO ISS PBLA12 START | 9.6 |
| HIERARCH ESO ISS PBLA12 END | 10.5 |
| HIERARCH ESO ISS PBL13 START | 101.426 |
| HIERARCH ESO ISS PBL13 END | 101.52 |
| HIERARCH ESO ISS PBLA13 START | 15.2 |
| HIERARCH ESO ISS PBLA13 END | 16.1 |
| HIERARCH ESO ISS PBL14 START | 122.184 |
| HIERARCH ESO ISS PBL14 END | 122.914 |
| HIERARCH ESO ISS PBLA14 START | 41.281 |
| HIERARCH ESO ISS PBLA14 END | 42.452 |
| HIERARCH ESO ISS PBL23 START | 45.68 |
| HIERARCH ESO ISS PBL23 END | 45.768 |
| HIERARCH ESO ISS PBLA23 START | 22.1 |
| HIERARCH ESO ISS PBLA23 END | 23.1 |
| HIERARCH ESO ISS PBL24 START | 79.94 |
| HIERARCH ESO ISS PBL24 END | 80.813 |
| HIERARCH ESO ISS PBLA24 START | 63.028 |
| HIERARCH ESO ISS PBLA24 END | 64.127 |
| HIERARCH ESO ISS PBL34 START | 54.426 |
| HIERARCH ESO ISS PBL34 END | 55.166 |
| HIERARCH ESO ISS PBLA34 START | 96.414 |
| HIERARCH ESO ISS PBLA34 END | 97.112 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004572 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00726 |
| HIERARCH ESO ISS AMBI TEMP | 19.03 |
| HIERARCH ESO ISS AMBI FWHM START | 0.67 |
| HIERARCH ESO ISS AMBI FWHM END | 0.65 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5220 |