Exposure
- ID
- GRAVI.2023-07-01T05:07:12.273_1
- Header ID
- GRAVI.2023-07-01T05:07:12.273
- Date updated
- 2023-07-01 05:21:40 UTC+0000
- Release date
- 2024-07-01 05:21:40 UTC+0000
- UTC Start
- 2023-07-01 05:07:12.273
- UTC End
- 2023-07-01 05:13:12.273
- MJD Start
- 60126.21333649
- MJD End
- 60126.2175031567
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.009159
- Ambient temperature (°C)
- 18.51
- Seeing (arcsec)
- 0.325
Observation
- ID
- 56088
- 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
- 41539
- Name
- S4
- RA
- 266.416934
- DEC
- -29.00727
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 55.3200 | 55.1540 | 33.2000 | 33.7000 |
| U1-U3 | 99.6880 | 99.3020 | 39.5000 | 40.1000 |
| U1-U4 | 124.6240 | 123.7220 | 68.3800 | 69.0040 |
| U2-U3 | 45.1280 | 44.9050 | 47.4000 | 47.9000 |
| U2-U4 | 85.5810 | 84.9130 | 90.2550 | 91.0460 |
| U3-U4 | 60.8440 | 60.5300 | 120.5740 | 121.5390 |
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 | 60126.21333649 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416934 |
| DEC | -29.00727 |
| 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 | 55.32 |
| HIERARCH ESO ISS PBL12 END | 55.154 |
| HIERARCH ESO ISS PBLA12 START | 33.2 |
| HIERARCH ESO ISS PBLA12 END | 33.7 |
| HIERARCH ESO ISS PBL13 START | 99.688 |
| HIERARCH ESO ISS PBL13 END | 99.302 |
| HIERARCH ESO ISS PBLA13 START | 39.5 |
| HIERARCH ESO ISS PBLA13 END | 40.1 |
| HIERARCH ESO ISS PBL14 START | 124.624 |
| HIERARCH ESO ISS PBL14 END | 123.722 |
| HIERARCH ESO ISS PBLA14 START | 68.38 |
| HIERARCH ESO ISS PBLA14 END | 69.004 |
| HIERARCH ESO ISS PBL23 START | 45.128 |
| HIERARCH ESO ISS PBL23 END | 44.905 |
| HIERARCH ESO ISS PBLA23 START | 47.4 |
| HIERARCH ESO ISS PBLA23 END | 47.9 |
| HIERARCH ESO ISS PBL24 START | 85.581 |
| HIERARCH ESO ISS PBL24 END | 84.913 |
| HIERARCH ESO ISS PBLA24 START | 90.255 |
| HIERARCH ESO ISS PBLA24 END | 91.046 |
| HIERARCH ESO ISS PBL34 START | 60.844 |
| HIERARCH ESO ISS PBL34 END | 60.53 |
| HIERARCH ESO ISS PBLA34 START | 120.574 |
| HIERARCH ESO ISS PBLA34 END | 121.539 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008112 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.010206 |
| HIERARCH ESO ISS AMBI TEMP | 18.51 |
| HIERARCH ESO ISS AMBI FWHM START | 0.35 |
| HIERARCH ESO ISS AMBI FWHM END | 0.3 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |