Exposure
- ID
- GRAVI.2021-03-31T08:00:00.717_1
- Header ID
- GRAVI.2021-03-31T08:00:00.717
- Date updated
- 2021-09-29 14:27:08 UTC+0000
- Release date
- 2022-03-31 08:16:24 UTC+0000
- UTC Start
- 2021-03-31 08:00:00.717
- UTC End
- 2021-03-31 08:05:20.717
- MJD Start
- 59304.33334163
- MJD End
- 59304.3370453337
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004815
- Ambient temperature (°C)
- 11.09
- Seeing (arcsec)
- 0.46
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 | 56.4050 | 56.4240 | 12.1000 | 12.9000 |
| U1-U3 | 101.6910 | 101.7730 | 17.9000 | 18.7000 |
| U1-U4 | 124.1900 | 124.7820 | 44.5170 | 45.4870 |
| U2-U3 | 45.9250 | 45.9990 | 25.0000 | 25.9000 |
| U2-U4 | 82.3140 | 83.0010 | 66.0580 | 66.9620 |
| U3-U4 | 56.4240 | 56.9920 | 98.3780 | 98.9870 |
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 | 59304.33334163 |
| 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 | 56.405 |
| HIERARCH ESO ISS PBL12 END | 56.424 |
| HIERARCH ESO ISS PBLA12 START | 12.1 |
| HIERARCH ESO ISS PBLA12 END | 12.9 |
| HIERARCH ESO ISS PBL13 START | 101.691 |
| HIERARCH ESO ISS PBL13 END | 101.773 |
| HIERARCH ESO ISS PBLA13 START | 17.9 |
| HIERARCH ESO ISS PBLA13 END | 18.7 |
| HIERARCH ESO ISS PBL14 START | 124.19 |
| HIERARCH ESO ISS PBL14 END | 124.782 |
| HIERARCH ESO ISS PBLA14 START | 44.517 |
| HIERARCH ESO ISS PBLA14 END | 45.487 |
| HIERARCH ESO ISS PBL23 START | 45.925 |
| HIERARCH ESO ISS PBL23 END | 45.999 |
| HIERARCH ESO ISS PBLA23 START | 25.0 |
| HIERARCH ESO ISS PBLA23 END | 25.9 |
| HIERARCH ESO ISS PBL24 START | 82.314 |
| HIERARCH ESO ISS PBL24 END | 83.001 |
| HIERARCH ESO ISS PBLA24 START | 66.058 |
| HIERARCH ESO ISS PBLA24 END | 66.962 |
| HIERARCH ESO ISS PBL34 START | 56.424 |
| HIERARCH ESO ISS PBL34 END | 56.992 |
| HIERARCH ESO ISS PBLA34 START | 98.378 |
| HIERARCH ESO ISS PBLA34 END | 98.987 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004749 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004881 |
| HIERARCH ESO ISS AMBI TEMP | 11.09 |
| HIERARCH ESO ISS AMBI FWHM START | 0.46 |
| HIERARCH ESO ISS AMBI FWHM END | 0.46 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5378 |