Exposure
- ID
- GRAVI.2021-03-31T08:10:00.742_1
- Header ID
- GRAVI.2021-03-31T08:10:00.742
- Date updated
- 2021-09-29 14:27:08 UTC+0000
- Release date
- 2022-03-31 08:25:40 UTC+0000
- UTC Start
- 2021-03-31 08:10:00.742
- UTC End
- 2021-03-31 08:15:20.742
- MJD Start
- 59304.34028637
- MJD End
- 59304.3439900737
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0032825
- Ambient temperature (°C)
- 11.01
- Seeing (arcsec)
- 0.7
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 | 56.4380 | 56.4570 | 13.5000 | 14.3000 |
| U1-U3 | 101.8340 | 101.9130 | 19.4000 | 20.2000 |
| U1-U4 | 125.2090 | 125.7630 | 46.1950 | 47.1310 |
| U2-U3 | 46.0540 | 46.1250 | 26.5000 | 27.4000 |
| U2-U4 | 83.4920 | 84.1270 | 67.6230 | 68.4950 |
| U3-U4 | 57.3970 | 57.9170 | 99.4400 | 100.0480 |
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 | 59304.34028637 |
| 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 | 56.438 |
| HIERARCH ESO ISS PBL12 END | 56.457 |
| HIERARCH ESO ISS PBLA12 START | 13.5 |
| HIERARCH ESO ISS PBLA12 END | 14.3 |
| HIERARCH ESO ISS PBL13 START | 101.834 |
| HIERARCH ESO ISS PBL13 END | 101.913 |
| HIERARCH ESO ISS PBLA13 START | 19.4 |
| HIERARCH ESO ISS PBLA13 END | 20.2 |
| HIERARCH ESO ISS PBL14 START | 125.209 |
| HIERARCH ESO ISS PBL14 END | 125.763 |
| HIERARCH ESO ISS PBLA14 START | 46.195 |
| HIERARCH ESO ISS PBLA14 END | 47.131 |
| HIERARCH ESO ISS PBL23 START | 46.054 |
| HIERARCH ESO ISS PBL23 END | 46.125 |
| HIERARCH ESO ISS PBLA23 START | 26.5 |
| HIERARCH ESO ISS PBLA23 END | 27.4 |
| HIERARCH ESO ISS PBL24 START | 83.492 |
| HIERARCH ESO ISS PBL24 END | 84.127 |
| HIERARCH ESO ISS PBLA24 START | 67.623 |
| HIERARCH ESO ISS PBLA24 END | 68.495 |
| HIERARCH ESO ISS PBL34 START | 57.397 |
| HIERARCH ESO ISS PBL34 END | 57.917 |
| HIERARCH ESO ISS PBLA34 START | 99.44 |
| HIERARCH ESO ISS PBLA34 END | 100.048 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003716 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002849 |
| HIERARCH ESO ISS AMBI TEMP | 11.01 |
| HIERARCH ESO ISS AMBI FWHM START | 0.52 |
| HIERARCH ESO ISS AMBI FWHM END | 0.88 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5378 |