Exposure
- ID
- GRAVI.2023-06-04T08:03:06.299_1
- Header ID
- GRAVI.2023-06-04T08:03:06.299
- Date updated
- 2023-06-04 08:21:02 UTC+0000
- Release date
- 2024-06-04 08:21:01 UTC+0000
- UTC Start
- 2023-06-04 08:03:06.299
- UTC End
- 2023-06-04 08:09:06.299
- MJD Start
- 60099.33548957
- MJD End
- 60099.3396562367
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.010689
- Ambient temperature (°C)
- 13.61
- Seeing (arcsec)
- 0.275
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 | 52.8230 | 52.5070 | 38.0000 | 38.4000 |
| U1-U3 | 93.9140 | 93.1910 | 44.3000 | 44.6000 |
| U1-U4 | 111.2140 | 109.5650 | 74.7350 | 75.2920 |
| U2-U3 | 41.8030 | 41.3900 | 52.2000 | 52.5000 |
| U2-U4 | 75.7700 | 74.5900 | 99.3670 | 100.3090 |
| U3-U4 | 56.4230 | 55.9280 | 132.2870 | 133.5420 |
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 | 60099.33548957 |
| 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 | 52.823 |
| HIERARCH ESO ISS PBL12 END | 52.507 |
| HIERARCH ESO ISS PBLA12 START | 38.0 |
| HIERARCH ESO ISS PBLA12 END | 38.4 |
| HIERARCH ESO ISS PBL13 START | 93.914 |
| HIERARCH ESO ISS PBL13 END | 93.191 |
| HIERARCH ESO ISS PBLA13 START | 44.3 |
| HIERARCH ESO ISS PBLA13 END | 44.6 |
| HIERARCH ESO ISS PBL14 START | 111.214 |
| HIERARCH ESO ISS PBL14 END | 109.565 |
| HIERARCH ESO ISS PBLA14 START | 74.735 |
| HIERARCH ESO ISS PBLA14 END | 75.292 |
| HIERARCH ESO ISS PBL23 START | 41.803 |
| HIERARCH ESO ISS PBL23 END | 41.39 |
| HIERARCH ESO ISS PBLA23 START | 52.2 |
| HIERARCH ESO ISS PBLA23 END | 52.5 |
| HIERARCH ESO ISS PBL24 START | 75.77 |
| HIERARCH ESO ISS PBL24 END | 74.59 |
| HIERARCH ESO ISS PBLA24 START | 99.367 |
| HIERARCH ESO ISS PBLA24 END | 100.309 |
| HIERARCH ESO ISS PBL34 START | 56.423 |
| HIERARCH ESO ISS PBL34 END | 55.928 |
| HIERARCH ESO ISS PBLA34 START | 132.287 |
| HIERARCH ESO ISS PBLA34 END | 133.542 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.010968 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.01041 |
| HIERARCH ESO ISS AMBI TEMP | 13.61 |
| HIERARCH ESO ISS AMBI FWHM START | 0.28 |
| HIERARCH ESO ISS AMBI FWHM END | 0.27 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |