Exposure
- ID
- GRAVI.2023-07-31T00:10:40.922_1
- Header ID
- GRAVI.2023-07-31T00:10:40.922
- Date updated
- 2023-07-31 00:25:23 UTC+0000
- Release date
- 2024-07-31 00:25:23 UTC+0000
- UTC Start
- 2023-07-31 00:10:40.922
- UTC End
- 2023-07-31 00:16:40.922
- MJD Start
- 60156.00741808
- MJD End
- 60156.011584746666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004202
- Ambient temperature (°C)
- 18.12
- Seeing (arcsec)
- 0.84
Observation
- ID
- 56473
- Category
- science
- 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
- 41850
- Name
- S4
- RA
- 266.416717
- DEC
- -29.00707
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.4330 | 56.4540 | 13.3000 | 14.1000 |
| U1-U3 | 101.8100 | 101.9000 | 19.1000 | 20.0000 |
| U1-U4 | 125.0410 | 125.6720 | 45.9120 | 46.9730 |
| U2-U3 | 46.0330 | 46.1140 | 26.3000 | 27.3000 |
| U2-U4 | 83.2990 | 84.0220 | 67.3580 | 68.3460 |
| U3-U4 | 57.2370 | 57.8300 | 99.2570 | 99.9430 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.004 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60156.00741808 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416717 |
| DEC | -29.00707 |
| 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 | 56.433 |
| HIERARCH ESO ISS PBL12 END | 56.454 |
| HIERARCH ESO ISS PBLA12 START | 13.3 |
| HIERARCH ESO ISS PBLA12 END | 14.1 |
| HIERARCH ESO ISS PBL13 START | 101.81 |
| HIERARCH ESO ISS PBL13 END | 101.9 |
| HIERARCH ESO ISS PBLA13 START | 19.1 |
| HIERARCH ESO ISS PBLA13 END | 20.0 |
| HIERARCH ESO ISS PBL14 START | 125.041 |
| HIERARCH ESO ISS PBL14 END | 125.672 |
| HIERARCH ESO ISS PBLA14 START | 45.912 |
| HIERARCH ESO ISS PBLA14 END | 46.973 |
| HIERARCH ESO ISS PBL23 START | 46.033 |
| HIERARCH ESO ISS PBL23 END | 46.114 |
| HIERARCH ESO ISS PBLA23 START | 26.3 |
| HIERARCH ESO ISS PBLA23 END | 27.3 |
| HIERARCH ESO ISS PBL24 START | 83.299 |
| HIERARCH ESO ISS PBL24 END | 84.022 |
| HIERARCH ESO ISS PBLA24 START | 67.358 |
| HIERARCH ESO ISS PBLA24 END | 68.346 |
| HIERARCH ESO ISS PBL34 START | 57.237 |
| HIERARCH ESO ISS PBL34 END | 57.83 |
| HIERARCH ESO ISS PBLA34 START | 99.257 |
| HIERARCH ESO ISS PBLA34 END | 99.943 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004413 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003991 |
| HIERARCH ESO ISS AMBI TEMP | 18.12 |
| HIERARCH ESO ISS AMBI FWHM START | 0.85 |
| HIERARCH ESO ISS AMBI FWHM END | 0.83 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5220 |