Exposure
- ID
- GRAVI.2021-03-31T08:55:06.856_1
- Header ID
- GRAVI.2021-03-31T08:55:06.856
- Date updated
- 2021-09-29 14:27:08 UTC+0000
- Release date
- 2022-03-31 09:10:18 UTC+0000
- UTC Start
- 2021-03-31 08:55:06.856
- UTC End
- 2021-03-31 09:00:26.856
- MJD Start
- 59304.37160713
- MJD End
- 59304.3753108337
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0026265
- Ambient temperature (°C)
- 10.96
- Seeing (arcsec)
- 0.51
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 | 56.5520 | 56.5570 | 19.4000 | 20.1000 |
| U1-U3 | 102.3430 | 102.3790 | 25.5000 | 26.3000 |
| U1-U4 | 128.8170 | 129.1300 | 53.0800 | 53.8760 |
| U2-U3 | 46.5170 | 46.5550 | 33.1000 | 33.8000 |
| U2-U4 | 87.5860 | 87.9470 | 74.0760 | 74.8340 |
| U3-U4 | 60.7260 | 61.0220 | 104.2620 | 104.8820 |
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 | 59304.37160713 |
| 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 | 56.552 |
| HIERARCH ESO ISS PBL12 END | 56.557 |
| HIERARCH ESO ISS PBLA12 START | 19.4 |
| HIERARCH ESO ISS PBLA12 END | 20.1 |
| HIERARCH ESO ISS PBL13 START | 102.343 |
| HIERARCH ESO ISS PBL13 END | 102.379 |
| HIERARCH ESO ISS PBLA13 START | 25.5 |
| HIERARCH ESO ISS PBLA13 END | 26.3 |
| HIERARCH ESO ISS PBL14 START | 128.817 |
| HIERARCH ESO ISS PBL14 END | 129.13 |
| HIERARCH ESO ISS PBLA14 START | 53.08 |
| HIERARCH ESO ISS PBLA14 END | 53.876 |
| HIERARCH ESO ISS PBL23 START | 46.517 |
| HIERARCH ESO ISS PBL23 END | 46.555 |
| HIERARCH ESO ISS PBLA23 START | 33.1 |
| HIERARCH ESO ISS PBLA23 END | 33.8 |
| HIERARCH ESO ISS PBL24 START | 87.586 |
| HIERARCH ESO ISS PBL24 END | 87.947 |
| HIERARCH ESO ISS PBLA24 START | 74.076 |
| HIERARCH ESO ISS PBLA24 END | 74.834 |
| HIERARCH ESO ISS PBL34 START | 60.726 |
| HIERARCH ESO ISS PBL34 END | 61.022 |
| HIERARCH ESO ISS PBLA34 START | 104.262 |
| HIERARCH ESO ISS PBLA34 END | 104.882 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002785 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002468 |
| HIERARCH ESO ISS AMBI TEMP | 10.96 |
| HIERARCH ESO ISS AMBI FWHM START | 0.49 |
| HIERARCH ESO ISS AMBI FWHM END | 0.53 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5378 |