Exposure
- ID
- GRAVI.2021-06-20T05:31:45.856_2
- Header ID
- GRAVI.2021-06-20T05:31:45.856
- Date updated
- 2021-06-20 05:45:25 UTC+0000
- Release date
- 2021-06-20 05:31:45 UTC+0000
- UTC Start
- 2021-06-20 05:31:45.856
- UTC End
- 2021-06-20 05:34:57.856
- MJD Start
- 59385.23039185
- MJD End
- 59385.2326140722
- Exposure time (s)
- 192.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.001949
- Ambient temperature (°C)
- 9.62
- Seeing (arcsec)
- 1.53
Observation
- ID
- 47540
- Category
- calibrator
- Program ID
- 105.20B2.003
- Program Title
- THE GALACTIC CENTER AT UNPRECEDENTED RESOLUTION - PROBING GENERAL RELATIVITY WITH GRAVITY
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ PERRIN/ STRAUBMEIER/ ROUSSELET-PERRAUT/ GARCIA/ BRANDNER/ GENZEL/ ECKART/ PAUMARD/ CL'ENET/ GAO/ HABIBI/ HORROBIN/ KERVELLA/ OTT/ WIDMANN/ VON FELLENBERG/ HENNING/ PFUHL/ WAISBERG/ DEXTER/ DE ZEEUW/ AMORIM
Target
- ID
- 35653
- Name
- WDSJ19329-4647
- RA
- 293.220216666667
- DEC
- -46.7771872222222
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- U1 U2 U3 U4
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 54.3080 | 54.2430 | 21.2000 | 21.8000 |
| U1-U3 | 99.3270 | 99.1950 | 27.5000 | 28.0000 |
| U1-U4 | 129.9680 | 129.8910 | 53.7460 | 54.4020 |
| U2-U3 | 45.7160 | 45.6560 | 34.8000 | 35.4000 |
| U2-U4 | 89.0820 | 89.1610 | 72.8660 | 73.5630 |
| U3-U4 | 60.0810 | 60.2660 | 100.8220 | 101.4680 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 105.20B2.003 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 59385.23039185 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | HD 183671 |
| HIERARCH ESO INS SOBJ NAME | WDSJ19329-4647 |
| RA | 293.224019 |
| DEC | -46.77805 |
| 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 | 222.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 3.0 |
| HIERARCH ESO DET2 NDIT | 64 |
| HIERARCH ESO ISS PBL12 START | 54.308 |
| HIERARCH ESO ISS PBL12 END | 54.243 |
| HIERARCH ESO ISS PBLA12 START | 21.2 |
| HIERARCH ESO ISS PBLA12 END | 21.8 |
| HIERARCH ESO ISS PBL13 START | 99.327 |
| HIERARCH ESO ISS PBL13 END | 99.195 |
| HIERARCH ESO ISS PBLA13 START | 27.5 |
| HIERARCH ESO ISS PBLA13 END | 28.0 |
| HIERARCH ESO ISS PBL14 START | 129.968 |
| HIERARCH ESO ISS PBL14 END | 129.891 |
| HIERARCH ESO ISS PBLA14 START | 53.746 |
| HIERARCH ESO ISS PBLA14 END | 54.402 |
| HIERARCH ESO ISS PBL23 START | 45.716 |
| HIERARCH ESO ISS PBL23 END | 45.656 |
| HIERARCH ESO ISS PBLA23 START | 34.8 |
| HIERARCH ESO ISS PBLA23 END | 35.4 |
| HIERARCH ESO ISS PBL24 START | 89.082 |
| HIERARCH ESO ISS PBL24 END | 89.161 |
| HIERARCH ESO ISS PBLA24 START | 72.866 |
| HIERARCH ESO ISS PBLA24 END | 73.563 |
| HIERARCH ESO ISS PBL34 START | 60.081 |
| HIERARCH ESO ISS PBL34 END | 60.266 |
| HIERARCH ESO ISS PBLA34 START | 100.822 |
| HIERARCH ESO ISS PBLA34 END | 101.468 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.001949 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.001949 |
| HIERARCH ESO ISS AMBI TEMP | 9.62 |
| HIERARCH ESO ISS AMBI FWHM START | 1.32 |
| HIERARCH ESO ISS AMBI FWHM END | 1.74 |
| HIERARCH ESO FT ROBJ NAME | WDSJ19329-4647 |
| HIERARCH ESO FT ROBJ ALPHA | 193252.852 |
| HIERARCH ESO FT ROBJ DELTA | -464637.874 |