Exposure
- ID
- GRAVI.2023-07-07T05:06:35.808_1
- Header ID
- GRAVI.2023-07-07T05:06:35.808
- Date updated
- 2023-07-07 05:21:26 UTC+0000
- Release date
- 2024-07-07 05:21:26 UTC+0000
- UTC Start
- 2023-07-07 05:06:35.808
- UTC End
- 2023-07-07 05:12:35.808
- MJD Start
- 60132.21291444
- MJD End
- 60132.2170811067
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0030345
- Ambient temperature (°C)
- 9.2
- Seeing (arcsec)
- 0.89
Observation
- ID
- 56167
- Category
- science
- Program ID
- 111.24H1.003
- 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
- 41612
- Name
- S4
- RA
- 266.416849
- DEC
- -29.00721
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 54.6720 | 54.4590 | 35.0000 | 35.5000 |
| U1-U3 | 98.1820 | 97.6870 | 41.3000 | 41.8000 |
| U1-U4 | 121.0970 | 119.9400 | 70.5610 | 71.1600 |
| U2-U3 | 44.2570 | 43.9720 | 49.2000 | 49.6000 |
| U2-U4 | 82.9720 | 82.1180 | 93.1030 | 93.9290 |
| U3-U4 | 59.6240 | 59.2300 | 124.1050 | 125.1570 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60132.21291444 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416849 |
| DEC | -29.00721 |
| 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 | 54.672 |
| HIERARCH ESO ISS PBL12 END | 54.459 |
| HIERARCH ESO ISS PBLA12 START | 35.0 |
| HIERARCH ESO ISS PBLA12 END | 35.5 |
| HIERARCH ESO ISS PBL13 START | 98.182 |
| HIERARCH ESO ISS PBL13 END | 97.687 |
| HIERARCH ESO ISS PBLA13 START | 41.3 |
| HIERARCH ESO ISS PBLA13 END | 41.8 |
| HIERARCH ESO ISS PBL14 START | 121.097 |
| HIERARCH ESO ISS PBL14 END | 119.94 |
| HIERARCH ESO ISS PBLA14 START | 70.561 |
| HIERARCH ESO ISS PBLA14 END | 71.16 |
| HIERARCH ESO ISS PBL23 START | 44.257 |
| HIERARCH ESO ISS PBL23 END | 43.972 |
| HIERARCH ESO ISS PBLA23 START | 49.2 |
| HIERARCH ESO ISS PBLA23 END | 49.6 |
| HIERARCH ESO ISS PBL24 START | 82.972 |
| HIERARCH ESO ISS PBL24 END | 82.118 |
| HIERARCH ESO ISS PBLA24 START | 93.103 |
| HIERARCH ESO ISS PBLA24 END | 93.929 |
| HIERARCH ESO ISS PBL34 START | 59.624 |
| HIERARCH ESO ISS PBL34 END | 59.23 |
| HIERARCH ESO ISS PBLA34 START | 124.105 |
| HIERARCH ESO ISS PBLA34 END | 125.157 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003065 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003004 |
| HIERARCH ESO ISS AMBI TEMP | 9.2 |
| HIERARCH ESO ISS AMBI FWHM START | 0.82 |
| HIERARCH ESO ISS AMBI FWHM END | 0.96 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |