Exposure
- ID
- GRAVI.2023-08-31T01:15:50.532_1
- Header ID
- GRAVI.2023-08-31T01:15:50.532
- Date updated
- 2023-08-31 01:30:29 UTC+0000
- Release date
- 2024-08-31 01:30:29 UTC+0000
- UTC Start
- 2023-08-31 01:15:50.532
- UTC End
- 2023-08-31 01:21:50.532
- MJD Start
- 60187.05266819
- MJD End
- 60187.05683485667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0031155
- Ambient temperature (°C)
- 14.18
- Seeing (arcsec)
- 0.9550000000000001
Observation
- ID
- 56822
- Category
- science
- 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
- 42111
- Name
- S4
- RA
- 266.41685
- DEC
- -29.00732
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 55.1000 | 54.9170 | 33.9000 | 34.4000 |
| U1-U3 | 99.1750 | 98.7510 | 40.2000 | 40.7000 |
| U1-U4 | 123.4230 | 122.4290 | 69.1980 | 69.8110 |
| U2-U3 | 44.8310 | 44.5860 | 48.0000 | 48.6000 |
| U2-U4 | 84.6920 | 83.9560 | 91.2950 | 92.0960 |
| U3-U4 | 60.4260 | 60.0820 | 121.8460 | 122.8390 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.005 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60187.05266819 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.41685 |
| DEC | -29.00732 |
| 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 | 55.1 |
| HIERARCH ESO ISS PBL12 END | 54.917 |
| HIERARCH ESO ISS PBLA12 START | 33.9 |
| HIERARCH ESO ISS PBLA12 END | 34.4 |
| HIERARCH ESO ISS PBL13 START | 99.175 |
| HIERARCH ESO ISS PBL13 END | 98.751 |
| HIERARCH ESO ISS PBLA13 START | 40.2 |
| HIERARCH ESO ISS PBLA13 END | 40.7 |
| HIERARCH ESO ISS PBL14 START | 123.423 |
| HIERARCH ESO ISS PBL14 END | 122.429 |
| HIERARCH ESO ISS PBLA14 START | 69.198 |
| HIERARCH ESO ISS PBLA14 END | 69.811 |
| HIERARCH ESO ISS PBL23 START | 44.831 |
| HIERARCH ESO ISS PBL23 END | 44.586 |
| HIERARCH ESO ISS PBLA23 START | 48.0 |
| HIERARCH ESO ISS PBLA23 END | 48.6 |
| HIERARCH ESO ISS PBL24 START | 84.692 |
| HIERARCH ESO ISS PBL24 END | 83.956 |
| HIERARCH ESO ISS PBLA24 START | 91.295 |
| HIERARCH ESO ISS PBLA24 END | 92.096 |
| HIERARCH ESO ISS PBL34 START | 60.426 |
| HIERARCH ESO ISS PBL34 END | 60.082 |
| HIERARCH ESO ISS PBLA34 START | 121.846 |
| HIERARCH ESO ISS PBLA34 END | 122.839 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003136 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003095 |
| HIERARCH ESO ISS AMBI TEMP | 14.18 |
| HIERARCH ESO ISS AMBI FWHM START | 0.93 |
| HIERARCH ESO ISS AMBI FWHM END | 0.98 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5220 |