Exposure
- ID
- GRAVI.2021-03-31T08:48:45.840_1
- Header ID
- GRAVI.2021-03-31T08:48:45.840
- Date updated
- 2021-09-29 14:27:08 UTC+0000
- Release date
- 2022-03-31 09:05:44 UTC+0000
- UTC Start
- 2021-03-31 08:48:45.840
- UTC End
- 2021-03-31 08:54:05.840
- MJD Start
- 59304.36719722
- MJD End
- 59304.3709009237
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002461
- Ambient temperature (°C)
- 11.07
- Seeing (arcsec)
- 0.54
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 | 56.5430 | 56.5510 | 18.6000 | 19.3000 |
| U1-U3 | 102.2920 | 102.3380 | 24.7000 | 25.5000 |
| U1-U4 | 128.4250 | 128.7800 | 52.1720 | 52.9900 |
| U2-U3 | 46.4690 | 46.5130 | 32.2000 | 33.0000 |
| U2-U4 | 87.1410 | 87.5440 | 73.2160 | 73.9910 |
| U3-U4 | 60.3630 | 60.6920 | 103.5730 | 104.1930 |
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 | 59304.36719722 |
| 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 | 56.543 |
| HIERARCH ESO ISS PBL12 END | 56.551 |
| HIERARCH ESO ISS PBLA12 START | 18.6 |
| HIERARCH ESO ISS PBLA12 END | 19.3 |
| HIERARCH ESO ISS PBL13 START | 102.292 |
| HIERARCH ESO ISS PBL13 END | 102.338 |
| HIERARCH ESO ISS PBLA13 START | 24.7 |
| HIERARCH ESO ISS PBLA13 END | 25.5 |
| HIERARCH ESO ISS PBL14 START | 128.425 |
| HIERARCH ESO ISS PBL14 END | 128.78 |
| HIERARCH ESO ISS PBLA14 START | 52.172 |
| HIERARCH ESO ISS PBLA14 END | 52.99 |
| HIERARCH ESO ISS PBL23 START | 46.469 |
| HIERARCH ESO ISS PBL23 END | 46.513 |
| HIERARCH ESO ISS PBLA23 START | 32.2 |
| HIERARCH ESO ISS PBLA23 END | 33.0 |
| HIERARCH ESO ISS PBL24 START | 87.141 |
| HIERARCH ESO ISS PBL24 END | 87.544 |
| HIERARCH ESO ISS PBLA24 START | 73.216 |
| HIERARCH ESO ISS PBLA24 END | 73.991 |
| HIERARCH ESO ISS PBL34 START | 60.363 |
| HIERARCH ESO ISS PBL34 END | 60.692 |
| HIERARCH ESO ISS PBLA34 START | 103.573 |
| HIERARCH ESO ISS PBLA34 END | 104.193 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002701 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002221 |
| HIERARCH ESO ISS AMBI TEMP | 11.07 |
| HIERARCH ESO ISS AMBI FWHM START | 0.51 |
| HIERARCH ESO ISS AMBI FWHM END | 0.57 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5378 |