Exposure
- ID
- GRAVI.2021-03-31T07:53:45.701_1
- Header ID
- GRAVI.2021-03-31T07:53:45.701
- Date updated
- 2021-09-29 14:27:08 UTC+0000
- Release date
- 2022-03-31 08:11:33 UTC+0000
- UTC Start
- 2021-03-31 07:53:45.701
- UTC End
- 2021-03-31 07:59:05.701
- MJD Start
- 59304.32900117
- MJD End
- 59304.3327048737
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00505
- Ambient temperature (°C)
- 11.0
- Seeing (arcsec)
- 0.445
Observation
- ID
- 47352
- 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
- 35514
- Name
- S2
- RA
- 266.417031
- DEC
- -29.00713
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.3840 | 56.4030 | 11.3000 | 12.1000 |
| U1-U3 | 101.5990 | 101.6830 | 17.0000 | 17.8000 |
| U1-U4 | 123.5210 | 124.1370 | 43.4350 | 44.4320 |
| U2-U3 | 45.8420 | 45.9180 | 24.0000 | 24.9000 |
| U2-U4 | 81.5320 | 82.2530 | 65.0480 | 65.9790 |
| U3-U4 | 55.7720 | 56.3730 | 97.7100 | 98.3250 |
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 | 59304.32900117 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.417031 |
| DEC | -29.00713 |
| 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 | 56.384 |
| HIERARCH ESO ISS PBL12 END | 56.403 |
| HIERARCH ESO ISS PBLA12 START | 11.3 |
| HIERARCH ESO ISS PBLA12 END | 12.1 |
| HIERARCH ESO ISS PBL13 START | 101.599 |
| HIERARCH ESO ISS PBL13 END | 101.683 |
| HIERARCH ESO ISS PBLA13 START | 17.0 |
| HIERARCH ESO ISS PBLA13 END | 17.8 |
| HIERARCH ESO ISS PBL14 START | 123.521 |
| HIERARCH ESO ISS PBL14 END | 124.137 |
| HIERARCH ESO ISS PBLA14 START | 43.435 |
| HIERARCH ESO ISS PBLA14 END | 44.432 |
| HIERARCH ESO ISS PBL23 START | 45.842 |
| HIERARCH ESO ISS PBL23 END | 45.918 |
| HIERARCH ESO ISS PBLA23 START | 24.0 |
| HIERARCH ESO ISS PBLA23 END | 24.9 |
| HIERARCH ESO ISS PBL24 START | 81.532 |
| HIERARCH ESO ISS PBL24 END | 82.253 |
| HIERARCH ESO ISS PBLA24 START | 65.048 |
| HIERARCH ESO ISS PBLA24 END | 65.979 |
| HIERARCH ESO ISS PBL34 START | 55.772 |
| HIERARCH ESO ISS PBL34 END | 56.373 |
| HIERARCH ESO ISS PBLA34 START | 97.71 |
| HIERARCH ESO ISS PBLA34 END | 98.325 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005351 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004749 |
| HIERARCH ESO ISS AMBI TEMP | 11.0 |
| HIERARCH ESO ISS AMBI FWHM START | 0.43 |
| HIERARCH ESO ISS AMBI FWHM END | 0.46 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5378 |