Exposure
- ID
- GRAVI.2021-03-31T08:36:15.808_1
- Header ID
- GRAVI.2021-03-31T08:36:15.808
- Date updated
- 2021-09-29 14:27:08 UTC+0000
- Release date
- 2022-03-31 08:55:20 UTC+0000
- UTC Start
- 2021-03-31 08:36:15.808
- UTC End
- 2021-03-31 08:41:35.808
- MJD Start
- 59304.3585163
- MJD End
- 59304.3622200037
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0041535
- Ambient temperature (°C)
- 11.03
- Seeing (arcsec)
- 0.515
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 | 56.5160 | 56.5300 | 17.0000 | 17.7000 |
| U1-U3 | 102.1690 | 102.2290 | 23.0000 | 23.8000 |
| U1-U4 | 127.5350 | 127.9620 | 50.3320 | 51.1860 |
| U2-U3 | 46.3550 | 46.4100 | 30.4000 | 31.2000 |
| U2-U4 | 86.1350 | 86.6170 | 71.4840 | 72.2860 |
| U3-U4 | 59.5470 | 59.9380 | 102.2320 | 102.8450 |
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 | 59304.3585163 |
| 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 | 56.516 |
| HIERARCH ESO ISS PBL12 END | 56.53 |
| HIERARCH ESO ISS PBLA12 START | 17.0 |
| HIERARCH ESO ISS PBLA12 END | 17.7 |
| HIERARCH ESO ISS PBL13 START | 102.169 |
| HIERARCH ESO ISS PBL13 END | 102.229 |
| HIERARCH ESO ISS PBLA13 START | 23.0 |
| HIERARCH ESO ISS PBLA13 END | 23.8 |
| HIERARCH ESO ISS PBL14 START | 127.535 |
| HIERARCH ESO ISS PBL14 END | 127.962 |
| HIERARCH ESO ISS PBLA14 START | 50.332 |
| HIERARCH ESO ISS PBLA14 END | 51.186 |
| HIERARCH ESO ISS PBL23 START | 46.355 |
| HIERARCH ESO ISS PBL23 END | 46.41 |
| HIERARCH ESO ISS PBLA23 START | 30.4 |
| HIERARCH ESO ISS PBLA23 END | 31.2 |
| HIERARCH ESO ISS PBL24 START | 86.135 |
| HIERARCH ESO ISS PBL24 END | 86.617 |
| HIERARCH ESO ISS PBLA24 START | 71.484 |
| HIERARCH ESO ISS PBLA24 END | 72.286 |
| HIERARCH ESO ISS PBL34 START | 59.547 |
| HIERARCH ESO ISS PBL34 END | 59.938 |
| HIERARCH ESO ISS PBLA34 START | 102.232 |
| HIERARCH ESO ISS PBLA34 END | 102.845 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004066 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004241 |
| HIERARCH ESO ISS AMBI TEMP | 11.03 |
| HIERARCH ESO ISS AMBI FWHM START | 0.57 |
| 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 |