Exposure
- ID
- GRAVI.2021-03-30T07:23:08.707_1
- Header ID
- GRAVI.2021-03-30T07:23:08.707
- Date updated
- 2021-09-29 14:27:08 UTC+0000
- Release date
- 2022-03-30 07:40:12 UTC+0000
- UTC Start
- 2021-03-30 07:23:08.707
- UTC End
- 2021-03-30 07:28:28.707
- MJD Start
- 59303.30773966
- MJD End
- 59303.3114433637
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002446
- Ambient temperature (°C)
- 12.82
- Seeing (arcsec)
- 1.34
Observation
- ID
- 47340
- 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
- 35505
- Name
- S2
- RA
- 266.416963
- DEC
- -29.00716
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.2820 | 56.2960 | 6.4000 | 7.2000 |
| U1-U3 | 101.1170 | 101.1920 | 11.7000 | 12.6000 |
| U1-U4 | 119.5560 | 120.2370 | 37.0180 | 38.1400 |
| U2-U3 | 45.3790 | 45.4540 | 18.3000 | 19.3000 |
| U2-U4 | 76.6980 | 77.5560 | 58.9800 | 60.0550 |
| U3-U4 | 51.6020 | 52.3620 | 93.9590 | 94.5950 |
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 | 59303.30773966 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416963 |
| DEC | -29.00716 |
| 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 | 56.282 |
| HIERARCH ESO ISS PBL12 END | 56.296 |
| HIERARCH ESO ISS PBLA12 START | 6.4 |
| HIERARCH ESO ISS PBLA12 END | 7.2 |
| HIERARCH ESO ISS PBL13 START | 101.117 |
| HIERARCH ESO ISS PBL13 END | 101.192 |
| HIERARCH ESO ISS PBLA13 START | 11.7 |
| HIERARCH ESO ISS PBLA13 END | 12.6 |
| HIERARCH ESO ISS PBL14 START | 119.556 |
| HIERARCH ESO ISS PBL14 END | 120.237 |
| HIERARCH ESO ISS PBLA14 START | 37.018 |
| HIERARCH ESO ISS PBLA14 END | 38.14 |
| HIERARCH ESO ISS PBL23 START | 45.379 |
| HIERARCH ESO ISS PBL23 END | 45.454 |
| HIERARCH ESO ISS PBLA23 START | 18.3 |
| HIERARCH ESO ISS PBLA23 END | 19.3 |
| HIERARCH ESO ISS PBL24 START | 76.698 |
| HIERARCH ESO ISS PBL24 END | 77.556 |
| HIERARCH ESO ISS PBLA24 START | 58.98 |
| HIERARCH ESO ISS PBLA24 END | 60.055 |
| HIERARCH ESO ISS PBL34 START | 51.602 |
| HIERARCH ESO ISS PBL34 END | 52.362 |
| HIERARCH ESO ISS PBLA34 START | 93.959 |
| HIERARCH ESO ISS PBLA34 END | 94.595 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002043 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002849 |
| HIERARCH ESO ISS AMBI TEMP | 12.82 |
| HIERARCH ESO ISS AMBI FWHM START | 1.52 |
| HIERARCH ESO ISS AMBI FWHM END | 1.16 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5378 |