Exposure
- ID
- GRAVI.2021-03-31T07:22:18.622_1
- Header ID
- GRAVI.2021-03-31T07:22:18.622
- Date updated
- 2021-09-29 14:27:08 UTC+0000
- Release date
- 2022-03-31 07:35:34 UTC+0000
- UTC Start
- 2021-03-31 07:22:18.622
- UTC End
- 2021-03-31 07:27:38.622
- MJD Start
- 59304.30715998
- MJD End
- 59304.3108636837
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0052985
- Ambient temperature (°C)
- 10.84
- Seeing (arcsec)
- 0.415
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 | 56.2900 | 56.3050 | 6.8000 | 7.6000 |
| U1-U3 | 101.1580 | 101.2340 | 12.2000 | 13.1000 |
| U1-U4 | 119.9260 | 120.6030 | 37.6300 | 38.7370 |
| U2-U3 | 45.4200 | 45.4950 | 18.8000 | 19.8000 |
| U2-U4 | 77.1650 | 78.0100 | 59.5670 | 60.6230 |
| U3-U4 | 52.0170 | 52.7610 | 94.3050 | 94.9360 |
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 | 59304.30715998 |
| 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 | 56.29 |
| HIERARCH ESO ISS PBL12 END | 56.305 |
| HIERARCH ESO ISS PBLA12 START | 6.8 |
| HIERARCH ESO ISS PBLA12 END | 7.6 |
| HIERARCH ESO ISS PBL13 START | 101.158 |
| HIERARCH ESO ISS PBL13 END | 101.234 |
| HIERARCH ESO ISS PBLA13 START | 12.2 |
| HIERARCH ESO ISS PBLA13 END | 13.1 |
| HIERARCH ESO ISS PBL14 START | 119.926 |
| HIERARCH ESO ISS PBL14 END | 120.603 |
| HIERARCH ESO ISS PBLA14 START | 37.63 |
| HIERARCH ESO ISS PBLA14 END | 38.737 |
| HIERARCH ESO ISS PBL23 START | 45.42 |
| HIERARCH ESO ISS PBL23 END | 45.495 |
| HIERARCH ESO ISS PBLA23 START | 18.8 |
| HIERARCH ESO ISS PBLA23 END | 19.8 |
| HIERARCH ESO ISS PBL24 START | 77.165 |
| HIERARCH ESO ISS PBL24 END | 78.01 |
| HIERARCH ESO ISS PBLA24 START | 59.567 |
| HIERARCH ESO ISS PBLA24 END | 60.623 |
| HIERARCH ESO ISS PBL34 START | 52.017 |
| HIERARCH ESO ISS PBL34 END | 52.761 |
| HIERARCH ESO ISS PBLA34 START | 94.305 |
| HIERARCH ESO ISS PBLA34 END | 94.936 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005527 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00507 |
| HIERARCH ESO ISS AMBI TEMP | 10.84 |
| HIERARCH ESO ISS AMBI FWHM START | 0.4 |
| 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 |