Exposure
- ID
- GRAVI.2021-03-31T07:28:33.638_1
- Header ID
- GRAVI.2021-03-31T07:28:33.638
- Date updated
- 2021-09-29 14:27:08 UTC+0000
- Release date
- 2022-03-31 07:45:21 UTC+0000
- UTC Start
- 2021-03-31 07:28:33.638
- UTC End
- 2021-03-31 07:33:53.638
- MJD Start
- 59304.31150044
- MJD End
- 59304.3152041437
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00543
- Ambient temperature (°C)
- 10.84
- Seeing (arcsec)
- 0.42
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 | 56.3060 | 56.3230 | 7.7000 | 8.5000 |
| U1-U3 | 101.2410 | 101.3200 | 13.2000 | 14.0000 |
| U1-U4 | 120.6610 | 121.3340 | 38.8320 | 39.9220 |
| U2-U3 | 45.5020 | 45.5790 | 19.9000 | 20.9000 |
| U2-U4 | 78.0830 | 78.9110 | 60.7140 | 61.7470 |
| U3-U4 | 52.8240 | 53.5440 | 94.9910 | 95.6200 |
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 | 59304.31150044 |
| 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 | 56.306 |
| HIERARCH ESO ISS PBL12 END | 56.323 |
| HIERARCH ESO ISS PBLA12 START | 7.7 |
| HIERARCH ESO ISS PBLA12 END | 8.5 |
| HIERARCH ESO ISS PBL13 START | 101.241 |
| HIERARCH ESO ISS PBL13 END | 101.32 |
| HIERARCH ESO ISS PBLA13 START | 13.2 |
| HIERARCH ESO ISS PBLA13 END | 14.0 |
| HIERARCH ESO ISS PBL14 START | 120.661 |
| HIERARCH ESO ISS PBL14 END | 121.334 |
| HIERARCH ESO ISS PBLA14 START | 38.832 |
| HIERARCH ESO ISS PBLA14 END | 39.922 |
| HIERARCH ESO ISS PBL23 START | 45.502 |
| HIERARCH ESO ISS PBL23 END | 45.579 |
| HIERARCH ESO ISS PBLA23 START | 19.9 |
| HIERARCH ESO ISS PBLA23 END | 20.9 |
| HIERARCH ESO ISS PBL24 START | 78.083 |
| HIERARCH ESO ISS PBL24 END | 78.911 |
| HIERARCH ESO ISS PBLA24 START | 60.714 |
| HIERARCH ESO ISS PBLA24 END | 61.747 |
| HIERARCH ESO ISS PBL34 START | 52.824 |
| HIERARCH ESO ISS PBL34 END | 53.544 |
| HIERARCH ESO ISS PBLA34 START | 94.991 |
| HIERARCH ESO ISS PBLA34 END | 95.62 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00591 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00495 |
| HIERARCH ESO ISS AMBI TEMP | 10.84 |
| HIERARCH ESO ISS AMBI FWHM START | 0.41 |
| 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 |