Exposure
- ID
- GRAVI.2021-03-31T07:41:03.670_1
- Header ID
- GRAVI.2021-03-31T07:41:03.670
- Date updated
- 2021-09-29 14:27:08 UTC+0000
- Release date
- 2022-03-31 07:56:39 UTC+0000
- UTC Start
- 2021-03-31 07:41:03.670
- UTC End
- 2021-03-31 07:46:23.670
- MJD Start
- 59304.32018136
- MJD End
- 59304.3238850637
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005227
- Ambient temperature (°C)
- 10.98
- 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 | 56.3430 | 56.3610 | 9.5000 | 10.3000 |
| U1-U3 | 101.4150 | 101.4990 | 15.1000 | 15.9000 |
| U1-U4 | 122.1080 | 122.7580 | 41.1660 | 42.2090 |
| U2-U3 | 45.6700 | 45.7480 | 22.0000 | 22.9000 |
| U2-U4 | 79.8510 | 80.6290 | 62.9210 | 63.9000 |
| U3-U4 | 54.3510 | 55.0120 | 96.3490 | 96.9690 |
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 | 59304.32018136 |
| 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 | 56.343 |
| HIERARCH ESO ISS PBL12 END | 56.361 |
| HIERARCH ESO ISS PBLA12 START | 9.5 |
| HIERARCH ESO ISS PBLA12 END | 10.3 |
| HIERARCH ESO ISS PBL13 START | 101.415 |
| HIERARCH ESO ISS PBL13 END | 101.499 |
| HIERARCH ESO ISS PBLA13 START | 15.1 |
| HIERARCH ESO ISS PBLA13 END | 15.9 |
| HIERARCH ESO ISS PBL14 START | 122.108 |
| HIERARCH ESO ISS PBL14 END | 122.758 |
| HIERARCH ESO ISS PBLA14 START | 41.166 |
| HIERARCH ESO ISS PBLA14 END | 42.209 |
| HIERARCH ESO ISS PBL23 START | 45.67 |
| HIERARCH ESO ISS PBL23 END | 45.748 |
| HIERARCH ESO ISS PBLA23 START | 22.0 |
| HIERARCH ESO ISS PBLA23 END | 22.9 |
| HIERARCH ESO ISS PBL24 START | 79.851 |
| HIERARCH ESO ISS PBL24 END | 80.629 |
| HIERARCH ESO ISS PBLA24 START | 62.921 |
| HIERARCH ESO ISS PBLA24 END | 63.9 |
| HIERARCH ESO ISS PBL34 START | 54.351 |
| HIERARCH ESO ISS PBL34 END | 55.012 |
| HIERARCH ESO ISS PBLA34 START | 96.349 |
| HIERARCH ESO ISS PBLA34 END | 96.969 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00607 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004384 |
| HIERARCH ESO ISS AMBI TEMP | 10.98 |
| HIERARCH ESO ISS AMBI FWHM START | 0.4 |
| HIERARCH ESO ISS AMBI FWHM END | 0.48 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5378 |