Exposure
- ID
- GRAVI.2023-08-03T01:32:13.103_1
- Header ID
- GRAVI.2023-08-03T01:32:13.103
- Date updated
- 2023-08-03 01:50:25 UTC+0000
- Release date
- 2024-08-03 01:50:25 UTC+0000
- UTC Start
- 2023-08-03 01:32:13.103
- UTC End
- 2023-08-03 01:38:13.103
- MJD Start
- 60159.06404054
- MJD End
- 60159.06820720666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00551
- Ambient temperature (°C)
- 18.6
- Seeing (arcsec)
- 0.545
Observation
- ID
- 56501
- 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
- 41874
- Name
- S4
- RA
- 266.41687
- DEC
- -29.00725
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.4870 | 56.4530 | 24.9000 | 25.6000 |
| U1-U3 | 102.3420 | 102.2770 | 31.2000 | 31.9000 |
| U1-U4 | 130.2100 | 130.1760 | 59.1410 | 59.9170 |
| U2-U3 | 46.6170 | 46.5880 | 38.9000 | 39.6000 |
| U2-U4 | 89.3890 | 89.4280 | 79.9910 | 80.7800 |
| U3-U4 | 62.3330 | 62.4130 | 109.4540 | 110.2120 |
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 | 60159.06404054 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.41687 |
| 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 | 56.487 |
| HIERARCH ESO ISS PBL12 END | 56.453 |
| HIERARCH ESO ISS PBLA12 START | 24.9 |
| HIERARCH ESO ISS PBLA12 END | 25.6 |
| HIERARCH ESO ISS PBL13 START | 102.342 |
| HIERARCH ESO ISS PBL13 END | 102.277 |
| HIERARCH ESO ISS PBLA13 START | 31.2 |
| HIERARCH ESO ISS PBLA13 END | 31.9 |
| HIERARCH ESO ISS PBL14 START | 130.21 |
| HIERARCH ESO ISS PBL14 END | 130.176 |
| HIERARCH ESO ISS PBLA14 START | 59.141 |
| HIERARCH ESO ISS PBLA14 END | 59.917 |
| HIERARCH ESO ISS PBL23 START | 46.617 |
| HIERARCH ESO ISS PBL23 END | 46.588 |
| HIERARCH ESO ISS PBLA23 START | 38.9 |
| HIERARCH ESO ISS PBLA23 END | 39.6 |
| HIERARCH ESO ISS PBL24 START | 89.389 |
| HIERARCH ESO ISS PBL24 END | 89.428 |
| HIERARCH ESO ISS PBLA24 START | 79.991 |
| HIERARCH ESO ISS PBLA24 END | 80.78 |
| HIERARCH ESO ISS PBL34 START | 62.333 |
| HIERARCH ESO ISS PBL34 END | 62.413 |
| HIERARCH ESO ISS PBLA34 START | 109.454 |
| HIERARCH ESO ISS PBLA34 END | 110.212 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00551 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00551 |
| HIERARCH ESO ISS AMBI TEMP | 18.6 |
| HIERARCH ESO ISS AMBI FWHM START | 0.56 |
| HIERARCH ESO ISS AMBI FWHM END | 0.53 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5220 |