Exposure
- ID
- GRAVI.2023-09-01T01:01:34.200_1
- Header ID
- GRAVI.2023-09-01T01:01:34.200
- Date updated
- 2023-09-01 01:20:24 UTC+0000
- Release date
- 2024-09-01 01:20:24 UTC+0000
- UTC Start
- 2023-09-01 01:01:34.200
- UTC End
- 2023-09-01 01:07:34.200
- MJD Start
- 60188.04275694
- MJD End
- 60188.046923606664
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0034555000000000002
- Ambient temperature (°C)
- 12.65
- Seeing (arcsec)
- 0.885
Observation
- ID
- 56826
- 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
- 42115
- Name
- S4
- RA
- 266.416846
- DEC
- -29.00725
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 55.3650 | 55.2030 | 33.0000 | 33.6000 |
| U1-U3 | 99.7930 | 99.4160 | 39.4000 | 39.9000 |
| U1-U4 | 124.8710 | 123.9890 | 68.2000 | 68.8260 |
| U2-U3 | 45.1890 | 44.9710 | 47.2000 | 47.7000 |
| U2-U4 | 85.7640 | 85.1110 | 90.0290 | 90.8180 |
| U3-U4 | 60.9300 | 60.6230 | 120.3010 | 121.2590 |
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 | 60188.04275694 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416846 |
| 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 | 55.365 |
| HIERARCH ESO ISS PBL12 END | 55.203 |
| HIERARCH ESO ISS PBLA12 START | 33.0 |
| HIERARCH ESO ISS PBLA12 END | 33.6 |
| HIERARCH ESO ISS PBL13 START | 99.793 |
| HIERARCH ESO ISS PBL13 END | 99.416 |
| HIERARCH ESO ISS PBLA13 START | 39.4 |
| HIERARCH ESO ISS PBLA13 END | 39.9 |
| HIERARCH ESO ISS PBL14 START | 124.871 |
| HIERARCH ESO ISS PBL14 END | 123.989 |
| HIERARCH ESO ISS PBLA14 START | 68.2 |
| HIERARCH ESO ISS PBLA14 END | 68.826 |
| HIERARCH ESO ISS PBL23 START | 45.189 |
| HIERARCH ESO ISS PBL23 END | 44.971 |
| HIERARCH ESO ISS PBLA23 START | 47.2 |
| HIERARCH ESO ISS PBLA23 END | 47.7 |
| HIERARCH ESO ISS PBL24 START | 85.764 |
| HIERARCH ESO ISS PBL24 END | 85.111 |
| HIERARCH ESO ISS PBLA24 START | 90.029 |
| HIERARCH ESO ISS PBLA24 END | 90.818 |
| HIERARCH ESO ISS PBL34 START | 60.93 |
| HIERARCH ESO ISS PBL34 END | 60.623 |
| HIERARCH ESO ISS PBLA34 START | 120.301 |
| HIERARCH ESO ISS PBLA34 END | 121.259 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003224 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003687 |
| HIERARCH ESO ISS AMBI TEMP | 12.65 |
| HIERARCH ESO ISS AMBI FWHM START | 0.9 |
| HIERARCH ESO ISS AMBI FWHM END | 0.87 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5209 |