Exposure
- ID
- GRAVI.2023-06-04T05:04:38.815_1
- Header ID
- GRAVI.2023-06-04T05:04:38.815
- Date updated
- 2023-06-04 05:21:06 UTC+0000
- Release date
- 2024-06-04 05:21:06 UTC+0000
- UTC Start
- 2023-06-04 05:04:38.815
- UTC End
- 2023-06-04 05:10:38.815
- MJD Start
- 60099.21156036
- MJD End
- 60099.2157270267
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0098085
- Ambient temperature (°C)
- 14.25
- Seeing (arcsec)
- 0.39
Observation
- ID
- 55649
- Category
- science
- Program ID
- 111.24H1.002
- 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/ BRANDNER/ ROUSSELET-PERRAUT/ PERRIN/ GARCIA/ ECKART/ DE ZEEUW/ WIDMANN/ PAUMARD/ HORROBIN/ VINCENT/ DRESCHER/ BOURDAROT/ CAO/ LUTZ/ STURM/ RIBEIRO
Target
- ID
- 41212
- Name
- S4
- RA
- 266.416752
- DEC
- -29.00711
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.5530 | 56.5430 | 22.2000 | 22.9000 |
| U1-U3 | 102.4340 | 102.4290 | 28.4000 | 29.2000 |
| U1-U4 | 129.8480 | 130.0210 | 56.2060 | 57.0430 |
| U2-U3 | 46.6290 | 46.6390 | 36.1000 | 36.9000 |
| U2-U4 | 88.8070 | 89.0350 | 77.0810 | 77.9010 |
| U3-U4 | 61.7510 | 61.9570 | 106.7970 | 107.5240 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60099.21156036 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416752 |
| DEC | -29.00711 |
| 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 | 56.553 |
| HIERARCH ESO ISS PBL12 END | 56.543 |
| HIERARCH ESO ISS PBLA12 START | 22.2 |
| HIERARCH ESO ISS PBLA12 END | 22.9 |
| HIERARCH ESO ISS PBL13 START | 102.434 |
| HIERARCH ESO ISS PBL13 END | 102.429 |
| HIERARCH ESO ISS PBLA13 START | 28.4 |
| HIERARCH ESO ISS PBLA13 END | 29.2 |
| HIERARCH ESO ISS PBL14 START | 129.848 |
| HIERARCH ESO ISS PBL14 END | 130.021 |
| HIERARCH ESO ISS PBLA14 START | 56.206 |
| HIERARCH ESO ISS PBLA14 END | 57.043 |
| HIERARCH ESO ISS PBL23 START | 46.629 |
| HIERARCH ESO ISS PBL23 END | 46.639 |
| HIERARCH ESO ISS PBLA23 START | 36.1 |
| HIERARCH ESO ISS PBLA23 END | 36.9 |
| HIERARCH ESO ISS PBL24 START | 88.807 |
| HIERARCH ESO ISS PBL24 END | 89.035 |
| HIERARCH ESO ISS PBLA24 START | 77.081 |
| HIERARCH ESO ISS PBLA24 END | 77.901 |
| HIERARCH ESO ISS PBL34 START | 61.751 |
| HIERARCH ESO ISS PBL34 END | 61.957 |
| HIERARCH ESO ISS PBLA34 START | 106.797 |
| HIERARCH ESO ISS PBLA34 END | 107.524 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.009733 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.009884 |
| HIERARCH ESO ISS AMBI TEMP | 14.25 |
| HIERARCH ESO ISS AMBI FWHM START | 0.38 |
| HIERARCH ESO ISS AMBI FWHM END | 0.4 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |