Exposure
- ID
- GRAVI.2021-03-31T07:47:27.686_1
- Header ID
- GRAVI.2021-03-31T07:47:27.686
- Date updated
- 2021-09-29 14:27:08 UTC+0000
- Release date
- 2022-03-31 08:02:15 UTC+0000
- UTC Start
- 2021-03-31 07:47:27.686
- UTC End
- 2021-03-31 07:52:47.686
- MJD Start
- 59304.32462599
- MJD End
- 59304.3283296937
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0051265
- Ambient temperature (°C)
- 10.99
- Seeing (arcsec)
- 0.44
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 | 56.3630 | 56.3820 | 10.4000 | 11.2000 |
| U1-U3 | 101.5080 | 101.5920 | 16.0000 | 16.9000 |
| U1-U4 | 122.8290 | 123.4630 | 42.3220 | 43.3410 |
| U2-U3 | 45.7570 | 45.8340 | 23.0000 | 23.9000 |
| U2-U4 | 80.7130 | 81.4640 | 64.0060 | 64.9610 |
| U3-U4 | 55.0830 | 55.7150 | 97.0370 | 97.6530 |
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 | 59304.32462599 |
| 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 | 56.363 |
| HIERARCH ESO ISS PBL12 END | 56.382 |
| HIERARCH ESO ISS PBLA12 START | 10.4 |
| HIERARCH ESO ISS PBLA12 END | 11.2 |
| HIERARCH ESO ISS PBL13 START | 101.508 |
| HIERARCH ESO ISS PBL13 END | 101.592 |
| HIERARCH ESO ISS PBLA13 START | 16.0 |
| HIERARCH ESO ISS PBLA13 END | 16.9 |
| HIERARCH ESO ISS PBL14 START | 122.829 |
| HIERARCH ESO ISS PBL14 END | 123.463 |
| HIERARCH ESO ISS PBLA14 START | 42.322 |
| HIERARCH ESO ISS PBLA14 END | 43.341 |
| HIERARCH ESO ISS PBL23 START | 45.757 |
| HIERARCH ESO ISS PBL23 END | 45.834 |
| HIERARCH ESO ISS PBLA23 START | 23.0 |
| HIERARCH ESO ISS PBLA23 END | 23.9 |
| HIERARCH ESO ISS PBL24 START | 80.713 |
| HIERARCH ESO ISS PBL24 END | 81.464 |
| HIERARCH ESO ISS PBLA24 START | 64.006 |
| HIERARCH ESO ISS PBLA24 END | 64.961 |
| HIERARCH ESO ISS PBL34 START | 55.083 |
| HIERARCH ESO ISS PBL34 END | 55.715 |
| HIERARCH ESO ISS PBLA34 START | 97.037 |
| HIERARCH ESO ISS PBLA34 END | 97.653 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004902 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005351 |
| HIERARCH ESO ISS AMBI TEMP | 10.99 |
| HIERARCH ESO ISS AMBI FWHM START | 0.45 |
| HIERARCH ESO ISS AMBI FWHM END | 0.43 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5378 |