Exposure
- ID
- GRAVI.2021-03-31T09:20:24.920_1
- Header ID
- GRAVI.2021-03-31T09:20:24.920
- Date updated
- 2021-09-29 14:27:08 UTC+0000
- Release date
- 2022-03-31 09:39:54 UTC+0000
- UTC Start
- 2021-03-31 09:20:24.920
- UTC End
- 2021-03-31 09:25:44.920
- MJD Start
- 59304.38917731
- MJD End
- 59304.3928810137
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0038245
- Ambient temperature (°C)
- 10.9
- Seeing (arcsec)
- 0.485
Observation
- ID
- 47353
- Category
- science
- Program ID
- 106.20XY.001
- Program Title
- THE GALACTIC CENTER AT UNPRECEDENTED RESOLUTION - PROBING GENERAL RELATIVITY WITH GRAVITY
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ GENZEL/ STRAUBMEIER/ ROUSSELET-PERRAUT/ BRANDNER/ GARCIA/ ECKART/ KERVELLA/ OTT/ DE ZEEUW/ STADLER/ VON FELLENBERG/ WIDMANN/ HABIBI/ HENNING/ PAUMARD/ PERRIN/ HORROBIN/ CL\XC3\XA9NET
Target
- ID
- 35515
- Name
- S2
- RA
- 266.416738
- DEC
- -29.00705
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.5500 | 56.5400 | 22.5000 | 23.1000 |
| U1-U3 | 102.4340 | 102.4260 | 28.7000 | 29.4000 |
| U1-U4 | 129.9150 | 130.0540 | 56.5030 | 57.2410 |
| U2-U3 | 46.6340 | 46.6400 | 36.3000 | 37.0000 |
| U2-U4 | 88.8930 | 89.0820 | 77.3710 | 78.0960 |
| U3-U4 | 61.8270 | 62.0010 | 107.0530 | 107.7000 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 106.20XY.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59304.38917731 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416738 |
| DEC | -29.00705 |
| 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 | 342.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 32 |
| HIERARCH ESO ISS PBL12 START | 56.55 |
| HIERARCH ESO ISS PBL12 END | 56.54 |
| HIERARCH ESO ISS PBLA12 START | 22.5 |
| HIERARCH ESO ISS PBLA12 END | 23.1 |
| HIERARCH ESO ISS PBL13 START | 102.434 |
| HIERARCH ESO ISS PBL13 END | 102.426 |
| HIERARCH ESO ISS PBLA13 START | 28.7 |
| HIERARCH ESO ISS PBLA13 END | 29.4 |
| HIERARCH ESO ISS PBL14 START | 129.915 |
| HIERARCH ESO ISS PBL14 END | 130.054 |
| HIERARCH ESO ISS PBLA14 START | 56.503 |
| HIERARCH ESO ISS PBLA14 END | 57.241 |
| HIERARCH ESO ISS PBL23 START | 46.634 |
| HIERARCH ESO ISS PBL23 END | 46.64 |
| HIERARCH ESO ISS PBLA23 START | 36.3 |
| HIERARCH ESO ISS PBLA23 END | 37.0 |
| HIERARCH ESO ISS PBL24 START | 88.893 |
| HIERARCH ESO ISS PBL24 END | 89.082 |
| HIERARCH ESO ISS PBLA24 START | 77.371 |
| HIERARCH ESO ISS PBLA24 END | 78.096 |
| HIERARCH ESO ISS PBL34 START | 61.827 |
| HIERARCH ESO ISS PBL34 END | 62.001 |
| HIERARCH ESO ISS PBLA34 START | 107.053 |
| HIERARCH ESO ISS PBLA34 END | 107.7 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003903 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003746 |
| HIERARCH ESO ISS AMBI TEMP | 10.9 |
| HIERARCH ESO ISS AMBI FWHM START | 0.43 |
| HIERARCH ESO ISS AMBI FWHM END | 0.54 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5378 |