Exposure
- ID
- GRAVI.2021-03-31T09:14:06.904_1
- Header ID
- GRAVI.2021-03-31T09:14:06.904
- Date updated
- 2021-09-29 14:27:08 UTC+0000
- Release date
- 2022-03-31 09:30:20 UTC+0000
- UTC Start
- 2021-03-31 09:14:06.904
- UTC End
- 2021-03-31 09:19:26.904
- MJD Start
- 59304.38480213
- MJD End
- 59304.3885058337
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003424
- Ambient temperature (°C)
- 10.97
- Seeing (arcsec)
- 0.5
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 | 56.5570 | 56.5510 | 21.7000 | 22.4000 |
| U1-U3 | 102.4300 | 102.4340 | 28.0000 | 28.7000 |
| U1-U4 | 129.7140 | 129.8990 | 55.6770 | 56.4300 |
| U2-U3 | 46.6170 | 46.6330 | 35.5000 | 36.3000 |
| U2-U4 | 88.6390 | 88.8720 | 76.5670 | 77.3000 |
| U3-U4 | 61.6040 | 61.8080 | 106.3480 | 106.9890 |
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 | 59304.38480213 |
| 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 | 56.557 |
| HIERARCH ESO ISS PBL12 END | 56.551 |
| HIERARCH ESO ISS PBLA12 START | 21.7 |
| HIERARCH ESO ISS PBLA12 END | 22.4 |
| HIERARCH ESO ISS PBL13 START | 102.43 |
| HIERARCH ESO ISS PBL13 END | 102.434 |
| HIERARCH ESO ISS PBLA13 START | 28.0 |
| HIERARCH ESO ISS PBLA13 END | 28.7 |
| HIERARCH ESO ISS PBL14 START | 129.714 |
| HIERARCH ESO ISS PBL14 END | 129.899 |
| HIERARCH ESO ISS PBLA14 START | 55.677 |
| HIERARCH ESO ISS PBLA14 END | 56.43 |
| HIERARCH ESO ISS PBL23 START | 46.617 |
| HIERARCH ESO ISS PBL23 END | 46.633 |
| HIERARCH ESO ISS PBLA23 START | 35.5 |
| HIERARCH ESO ISS PBLA23 END | 36.3 |
| HIERARCH ESO ISS PBL24 START | 88.639 |
| HIERARCH ESO ISS PBL24 END | 88.872 |
| HIERARCH ESO ISS PBLA24 START | 76.567 |
| HIERARCH ESO ISS PBLA24 END | 77.3 |
| HIERARCH ESO ISS PBL34 START | 61.604 |
| HIERARCH ESO ISS PBL34 END | 61.808 |
| HIERARCH ESO ISS PBLA34 START | 106.348 |
| HIERARCH ESO ISS PBLA34 END | 106.989 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002468 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00438 |
| HIERARCH ESO ISS AMBI TEMP | 10.97 |
| HIERARCH ESO ISS AMBI FWHM START | 0.53 |
| HIERARCH ESO ISS AMBI FWHM END | 0.47 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5378 |