Exposure
- ID
- GRAVI.2023-12-26T05:15:41.800_1
- Header ID
- GRAVI.2023-12-26T05:15:41.800
- Date updated
- 2023-12-26 05:30:21 UTC+0000
- Release date
- 2024-12-26 05:30:21 UTC+0000
- UTC Start
- 2023-12-26 05:15:41.800
- UTC End
- 2023-12-26 05:22:21.800
- MJD Start
- 60304.2192338
- MJD End
- 60304.2238634296
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.012467
- Ambient temperature (°C)
- 17.37
- Seeing (arcsec)
- 0.635
Observation
- ID
- 58062
- Category
- science
- Program ID
- 112.25RU.001
- Program Title
- IS THE FIRST T DWARF COMPANION A BROWN DWARF BINARY?
- Program Type
- Normal
- PI / COI
- XUAN/ WANG/ LACOUR/ RUFFIO/ ZHANG/ BRANDNER/ MAWET/ RICKMAN
Target
- ID
- 42999
- Name
- HD_42581_B
- RA
- 92.643198
- DEC
- -21.86886
Instrument
Projected baselines
Baseline | Length start | Length end | Angle start | Angle end |
---|---|---|---|---|
U1-U2 | 56.5280 | 56.4960 | 29.9000 | 30.4000 |
U1-U3 | 102.2990 | 102.1970 | 36.1000 | 36.7000 |
U1-U4 | 129.2630 | 128.8240 | 63.9820 | 64.5360 |
U2-U3 | 46.5190 | 46.4440 | 43.7000 | 44.3000 |
U2-U4 | 88.3600 | 87.9390 | 85.0180 | 85.6430 |
U3-U4 | 61.5970 | 61.3120 | 114.9050 | 115.6780 |
Header: used keywords
Key | Value |
---|---|
HIERARCH ESO OBS PROG ID | 112.25RU.001 |
HIERARCH ESO DPR CATG | SCIENCE |
HIERARCH ESO DPR TYPE | OBJECT,DUAL |
MJD-OBS | 60304.2192338 |
HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
HIERARCH ESO OBS TARG NAME | HD 42581 B |
HIERARCH ESO INS SOBJ NAME | HD_42581_B |
RA | 92.643198 |
DEC | -21.86886 |
HIERARCH ESO INS SPEC RES | MEDIUM |
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 | 414.0 |
HIERARCH ESO DET2 SEQ1 DIT | 100.0 |
HIERARCH ESO DET2 NDIT | 4 |
HIERARCH ESO ISS PBL12 START | 56.528 |
HIERARCH ESO ISS PBL12 END | 56.496 |
HIERARCH ESO ISS PBLA12 START | 29.9 |
HIERARCH ESO ISS PBLA12 END | 30.4 |
HIERARCH ESO ISS PBL13 START | 102.299 |
HIERARCH ESO ISS PBL13 END | 102.197 |
HIERARCH ESO ISS PBLA13 START | 36.1 |
HIERARCH ESO ISS PBLA13 END | 36.7 |
HIERARCH ESO ISS PBL14 START | 129.263 |
HIERARCH ESO ISS PBL14 END | 128.824 |
HIERARCH ESO ISS PBLA14 START | 63.982 |
HIERARCH ESO ISS PBLA14 END | 64.536 |
HIERARCH ESO ISS PBL23 START | 46.519 |
HIERARCH ESO ISS PBL23 END | 46.444 |
HIERARCH ESO ISS PBLA23 START | 43.7 |
HIERARCH ESO ISS PBLA23 END | 44.3 |
HIERARCH ESO ISS PBL24 START | 88.36 |
HIERARCH ESO ISS PBL24 END | 87.939 |
HIERARCH ESO ISS PBLA24 START | 85.018 |
HIERARCH ESO ISS PBLA24 END | 85.643 |
HIERARCH ESO ISS PBL34 START | 61.597 |
HIERARCH ESO ISS PBL34 END | 61.312 |
HIERARCH ESO ISS PBLA34 START | 114.905 |
HIERARCH ESO ISS PBLA34 END | 115.678 |
HIERARCH ESO ISS AMBI TAU0 START | 0.010795 |
HIERARCH ESO ISS AMBI TAU0 END | 0.014139 |
HIERARCH ESO ISS AMBI TEMP | 17.37 |
HIERARCH ESO ISS AMBI FWHM START | 0.7 |
HIERARCH ESO ISS AMBI FWHM END | 0.57 |
HIERARCH ESO FT ROBJ NAME | HD_42581 |
HIERARCH ESO FT ROBJ ALPHA | 061034.615 |
HIERARCH ESO FT ROBJ DELTA | -215152.656 |