Exposure
- ID
- GRAVI.2021-03-31T08:25:57.782_1
- Header ID
- GRAVI.2021-03-31T08:25:57.782
- Date updated
- 2021-09-29 14:27:08 UTC+0000
- Release date
- 2021-03-31 08:25:57 UTC+0000
- UTC Start
- 2021-03-31 08:25:57.782
- UTC End
- 2021-03-31 08:31:17.782
- MJD Start
- 59304.35136322
- MJD End
- 59304.3550669237
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003412
- Ambient temperature (°C)
- 11.0
- Seeing (arcsec)
- 0.59
Observation
- ID
- 47351
- Category
- calibrator
- 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
- 35513
- Name
- R2
- RA
- 266.417031
- DEC
- -29.00713
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.4890 | 56.5050 | 15.6000 | 16.4000 |
| U1-U3 | 102.0470 | 102.1170 | 21.6000 | 22.4000 |
| U1-U4 | 126.6900 | 127.1720 | 48.7550 | 49.6400 |
| U2-U3 | 46.2450 | 46.3080 | 28.9000 | 29.8000 |
| U2-U4 | 85.1810 | 85.7250 | 70.0090 | 70.8360 |
| U3-U4 | 58.7750 | 59.2160 | 101.1350 | 101.7450 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 106.20XY.001 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 59304.35136322 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | R2 |
| 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 | 56.489 |
| HIERARCH ESO ISS PBL12 END | 56.505 |
| HIERARCH ESO ISS PBLA12 START | 15.6 |
| HIERARCH ESO ISS PBLA12 END | 16.4 |
| HIERARCH ESO ISS PBL13 START | 102.047 |
| HIERARCH ESO ISS PBL13 END | 102.117 |
| HIERARCH ESO ISS PBLA13 START | 21.6 |
| HIERARCH ESO ISS PBLA13 END | 22.4 |
| HIERARCH ESO ISS PBL14 START | 126.69 |
| HIERARCH ESO ISS PBL14 END | 127.172 |
| HIERARCH ESO ISS PBLA14 START | 48.755 |
| HIERARCH ESO ISS PBLA14 END | 49.64 |
| HIERARCH ESO ISS PBL23 START | 46.245 |
| HIERARCH ESO ISS PBL23 END | 46.308 |
| HIERARCH ESO ISS PBLA23 START | 28.9 |
| HIERARCH ESO ISS PBLA23 END | 29.8 |
| HIERARCH ESO ISS PBL24 START | 85.181 |
| HIERARCH ESO ISS PBL24 END | 85.725 |
| HIERARCH ESO ISS PBLA24 START | 70.009 |
| HIERARCH ESO ISS PBLA24 END | 70.836 |
| HIERARCH ESO ISS PBL34 START | 58.775 |
| HIERARCH ESO ISS PBL34 END | 59.216 |
| HIERARCH ESO ISS PBLA34 START | 101.135 |
| HIERARCH ESO ISS PBLA34 END | 101.745 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.0037 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003124 |
| HIERARCH ESO ISS AMBI TEMP | 11.0 |
| HIERARCH ESO ISS AMBI FWHM START | 0.5 |
| HIERARCH ESO ISS AMBI FWHM END | 0.68 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5378 |