Exposure
- ID
- GRAVI.2021-03-31T09:07:54.888_1
- Header ID
- GRAVI.2021-03-31T09:07:54.888
- Date updated
- 2021-09-29 14:27:08 UTC+0000
- Release date
- 2022-03-31 09:25:18 UTC+0000
- UTC Start
- 2021-03-31 09:07:54.888
- UTC End
- 2021-03-31 09:13:14.888
- MJD Start
- 59304.38049639
- MJD End
- 59304.3842000937
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002468
- Ambient temperature (°C)
- 11.0
- Seeing (arcsec)
- 0.53
Observation
- ID
- 47353
- 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
- 35515
- Name
- S2
- RA
- 266.416738
- DEC
- -29.00705
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.5600 | 56.5580 | 20.9000 | 21.6000 |
| U1-U3 | 102.4120 | 102.4290 | 27.2000 | 27.9000 |
| U1-U4 | 129.4650 | 129.6960 | 54.8380 | 55.6110 |
| U2-U3 | 46.5920 | 46.6160 | 34.7000 | 35.5000 |
| U2-U4 | 88.3390 | 88.6170 | 75.7570 | 76.5030 |
| U3-U4 | 61.3490 | 61.5850 | 105.6540 | 106.2930 |
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 | 59304.38049639 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416738 |
| DEC | -29.00705 |
| 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 | 56.56 |
| HIERARCH ESO ISS PBL12 END | 56.558 |
| HIERARCH ESO ISS PBLA12 START | 20.9 |
| HIERARCH ESO ISS PBLA12 END | 21.6 |
| HIERARCH ESO ISS PBL13 START | 102.412 |
| HIERARCH ESO ISS PBL13 END | 102.429 |
| HIERARCH ESO ISS PBLA13 START | 27.2 |
| HIERARCH ESO ISS PBLA13 END | 27.9 |
| HIERARCH ESO ISS PBL14 START | 129.465 |
| HIERARCH ESO ISS PBL14 END | 129.696 |
| HIERARCH ESO ISS PBLA14 START | 54.838 |
| HIERARCH ESO ISS PBLA14 END | 55.611 |
| HIERARCH ESO ISS PBL23 START | 46.592 |
| HIERARCH ESO ISS PBL23 END | 46.616 |
| HIERARCH ESO ISS PBLA23 START | 34.7 |
| HIERARCH ESO ISS PBLA23 END | 35.5 |
| HIERARCH ESO ISS PBL24 START | 88.339 |
| HIERARCH ESO ISS PBL24 END | 88.617 |
| HIERARCH ESO ISS PBLA24 START | 75.757 |
| HIERARCH ESO ISS PBLA24 END | 76.503 |
| HIERARCH ESO ISS PBL34 START | 61.349 |
| HIERARCH ESO ISS PBL34 END | 61.585 |
| HIERARCH ESO ISS PBLA34 START | 105.654 |
| HIERARCH ESO ISS PBLA34 END | 106.293 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002468 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002468 |
| HIERARCH ESO ISS AMBI TEMP | 11.0 |
| HIERARCH ESO ISS AMBI FWHM START | 0.53 |
| HIERARCH ESO ISS AMBI FWHM END | 0.53 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5378 |