Exposure
- ID
- GRAVI.2021-03-30T07:32:41.730_1
- Header ID
- GRAVI.2021-03-30T07:32:41.730
- Date updated
- 2021-09-29 14:27:08 UTC+0000
- Release date
- 2022-03-30 07:52:06 UTC+0000
- UTC Start
- 2021-03-30 07:32:41.730
- UTC End
- 2021-03-30 07:38:01.730
- MJD Start
- 59303.31437188
- MJD End
- 59303.3180755837
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0028095
- Ambient temperature (°C)
- 12.95
- Seeing (arcsec)
- 1.06
Observation
- ID
- 47340
- 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
- 35505
- Name
- S2
- RA
- 266.416963
- DEC
- -29.00716
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.3070 | 56.3230 | 7.7000 | 8.6000 |
| U1-U3 | 101.2430 | 101.3230 | 13.2000 | 14.1000 |
| U1-U4 | 120.6860 | 121.3570 | 38.8730 | 39.9580 |
| U2-U3 | 45.5050 | 45.5820 | 19.9000 | 20.9000 |
| U2-U4 | 78.1150 | 78.9400 | 60.7520 | 61.7820 |
| U3-U4 | 52.8520 | 53.5690 | 95.0140 | 95.6410 |
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 | 59303.31437188 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416963 |
| DEC | -29.00716 |
| 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 | 56.307 |
| HIERARCH ESO ISS PBL12 END | 56.323 |
| HIERARCH ESO ISS PBLA12 START | 7.7 |
| HIERARCH ESO ISS PBLA12 END | 8.6 |
| HIERARCH ESO ISS PBL13 START | 101.243 |
| HIERARCH ESO ISS PBL13 END | 101.323 |
| HIERARCH ESO ISS PBLA13 START | 13.2 |
| HIERARCH ESO ISS PBLA13 END | 14.1 |
| HIERARCH ESO ISS PBL14 START | 120.686 |
| HIERARCH ESO ISS PBL14 END | 121.357 |
| HIERARCH ESO ISS PBLA14 START | 38.873 |
| HIERARCH ESO ISS PBLA14 END | 39.958 |
| HIERARCH ESO ISS PBL23 START | 45.505 |
| HIERARCH ESO ISS PBL23 END | 45.582 |
| HIERARCH ESO ISS PBLA23 START | 19.9 |
| HIERARCH ESO ISS PBLA23 END | 20.9 |
| HIERARCH ESO ISS PBL24 START | 78.115 |
| HIERARCH ESO ISS PBL24 END | 78.94 |
| HIERARCH ESO ISS PBLA24 START | 60.752 |
| HIERARCH ESO ISS PBLA24 END | 61.782 |
| HIERARCH ESO ISS PBL34 START | 52.852 |
| HIERARCH ESO ISS PBL34 END | 53.569 |
| HIERARCH ESO ISS PBLA34 START | 95.014 |
| HIERARCH ESO ISS PBLA34 END | 95.641 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002857 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002762 |
| HIERARCH ESO ISS AMBI TEMP | 12.95 |
| HIERARCH ESO ISS AMBI FWHM START | 1.08 |
| HIERARCH ESO ISS AMBI FWHM END | 1.04 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5378 |