Exposure
- ID
- GRAVI.2021-03-31T08:42:30.824_1
- Header ID
- GRAVI.2021-03-31T08:42:30.824
- 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 08:42:30.824
- UTC End
- 2021-03-31 08:47:50.824
- MJD Start
- 59304.36285676
- MJD End
- 59304.3665604637
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0033725
- Ambient temperature (°C)
- 11.1
- Seeing (arcsec)
- 0.49
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 | 56.5310 | 56.5420 | 17.8000 | 18.5000 |
| U1-U3 | 102.2350 | 102.2880 | 23.9000 | 24.6000 |
| U1-U4 | 128.0000 | 128.3920 | 51.2650 | 52.1000 |
| U2-U3 | 46.4150 | 46.4640 | 31.3000 | 32.1000 |
| U2-U4 | 86.6600 | 87.1040 | 72.3600 | 73.1480 |
| U3-U4 | 59.9730 | 60.3330 | 102.9030 | 103.5190 |
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 | 59304.36285676 |
| 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 | 56.531 |
| HIERARCH ESO ISS PBL12 END | 56.542 |
| HIERARCH ESO ISS PBLA12 START | 17.8 |
| HIERARCH ESO ISS PBLA12 END | 18.5 |
| HIERARCH ESO ISS PBL13 START | 102.235 |
| HIERARCH ESO ISS PBL13 END | 102.288 |
| HIERARCH ESO ISS PBLA13 START | 23.9 |
| HIERARCH ESO ISS PBLA13 END | 24.6 |
| HIERARCH ESO ISS PBL14 START | 128.0 |
| HIERARCH ESO ISS PBL14 END | 128.392 |
| HIERARCH ESO ISS PBLA14 START | 51.265 |
| HIERARCH ESO ISS PBLA14 END | 52.1 |
| HIERARCH ESO ISS PBL23 START | 46.415 |
| HIERARCH ESO ISS PBL23 END | 46.464 |
| HIERARCH ESO ISS PBLA23 START | 31.3 |
| HIERARCH ESO ISS PBLA23 END | 32.1 |
| HIERARCH ESO ISS PBL24 START | 86.66 |
| HIERARCH ESO ISS PBL24 END | 87.104 |
| HIERARCH ESO ISS PBLA24 START | 72.36 |
| HIERARCH ESO ISS PBLA24 END | 73.148 |
| HIERARCH ESO ISS PBL34 START | 59.973 |
| HIERARCH ESO ISS PBL34 END | 60.333 |
| HIERARCH ESO ISS PBLA34 START | 102.903 |
| HIERARCH ESO ISS PBLA34 END | 103.519 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004044 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002701 |
| HIERARCH ESO ISS AMBI TEMP | 11.1 |
| HIERARCH ESO ISS AMBI FWHM START | 0.47 |
| HIERARCH ESO ISS AMBI FWHM END | 0.51 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5378 |