Exposure
- ID
- GRAVI.2022-01-25T01:47:05.242_2
- Header ID
- GRAVI.2022-01-25T01:47:05.242
- Date updated
- 2022-01-25 02:00:27 UTC+0000
- Release date
- 2023-01-25 02:00:27 UTC+0000
- UTC Start
- 2022-01-25 01:47:05.242
- UTC End
- 2022-01-25 01:52:05.242
- MJD Start
- 59604.07436623
- MJD End
- 59604.0778384522
- Exposure time (s)
- 300.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005152
- Ambient temperature (°C)
- 14.42
- Seeing (arcsec)
- 0.695
Observation
- ID
- 46631
- Category
- science
- Program ID
- 106.219S.001
- Program Title
- ASTROMETRIC PRECISION-WEIGHING A NON-ACCRETING STELLAR-MASS BLACK HOLE
- Program Type
- Normal
- PI / COI
- RIVINIUS/ BAADE/ HEIDA/ HADRAVA/ TRISTRAM
Target
- ID
- 35011
- Name
- LB-1
- RA
- 92.9544833333333
- DEC
- 22.8257461111111
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 | 37.9430 | 38.4640 | 31.1000 | 31.8000 |
U1-U3 | 70.9060 | 72.0430 | 40.1000 | 40.6000 |
U1-U4 | 110.1250 | 111.6750 | 71.9140 | 71.6020 |
U2-U3 | 33.9480 | 34.5310 | 50.2000 | 50.4000 |
U2-U4 | 85.0850 | 85.7190 | 88.8520 | 88.2860 |
U3-U4 | 62.3130 | 62.1960 | 108.7640 | 108.2230 |
Header: used keywords
Key | Value |
---|---|
HIERARCH ESO OBS PROG ID | 106.219S.001 |
HIERARCH ESO DPR CATG | SCIENCE |
HIERARCH ESO DPR TYPE | OBJECT,DUAL |
MJD-OBS | 59604.07436623 |
HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
HIERARCH ESO OBS TARG NAME | LB-1 |
HIERARCH ESO INS SOBJ NAME | Sky |
RA | 92.956439 |
DEC | 22.82573 |
HIERARCH ESO INS SPEC RES | LOW |
HIERARCH ESO INS POLA MODE | COMBINED |
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 | 354.0 |
HIERARCH ESO DET2 SEQ1 DIT | 1.0 |
HIERARCH ESO DET2 NDIT | 300 |
HIERARCH ESO ISS PBL12 START | 37.943 |
HIERARCH ESO ISS PBL12 END | 38.464 |
HIERARCH ESO ISS PBLA12 START | 31.1 |
HIERARCH ESO ISS PBLA12 END | 31.8 |
HIERARCH ESO ISS PBL13 START | 70.906 |
HIERARCH ESO ISS PBL13 END | 72.043 |
HIERARCH ESO ISS PBLA13 START | 40.1 |
HIERARCH ESO ISS PBLA13 END | 40.6 |
HIERARCH ESO ISS PBL14 START | 110.125 |
HIERARCH ESO ISS PBL14 END | 111.675 |
HIERARCH ESO ISS PBLA14 START | 71.914 |
HIERARCH ESO ISS PBLA14 END | 71.602 |
HIERARCH ESO ISS PBL23 START | 33.948 |
HIERARCH ESO ISS PBL23 END | 34.531 |
HIERARCH ESO ISS PBLA23 START | 50.2 |
HIERARCH ESO ISS PBLA23 END | 50.4 |
HIERARCH ESO ISS PBL24 START | 85.085 |
HIERARCH ESO ISS PBL24 END | 85.719 |
HIERARCH ESO ISS PBLA24 START | 88.852 |
HIERARCH ESO ISS PBLA24 END | 88.286 |
HIERARCH ESO ISS PBL34 START | 62.313 |
HIERARCH ESO ISS PBL34 END | 62.196 |
HIERARCH ESO ISS PBLA34 START | 108.764 |
HIERARCH ESO ISS PBLA34 END | 108.223 |
HIERARCH ESO ISS AMBI TAU0 START | 0.0049 |
HIERARCH ESO ISS AMBI TAU0 END | 0.005404 |
HIERARCH ESO ISS AMBI TEMP | 14.42 |
HIERARCH ESO ISS AMBI FWHM START | 0.6 |
HIERARCH ESO ISS AMBI FWHM END | 0.79 |
HIERARCH ESO FT ROBJ NAME | LB-1 |
HIERARCH ESO FT ROBJ ALPHA | 061149.076 |
HIERARCH ESO FT ROBJ DELTA | 224932.686 |