Exposure
- ID
- GRAVI.2023-12-26T05:58:44.909_1
- Header ID
- GRAVI.2023-12-26T05:58:44.909
- Date updated
- 2023-12-26 06:15:32 UTC+0000
- Release date
- 2024-12-26 06:15:32 UTC+0000
- UTC Start
- 2023-12-26 05:58:44.909
- UTC End
- 2023-12-26 06:05:24.909
- MJD Start
- 60304.24913089
- MJD End
- 60304.2537605196
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0085915
- Ambient temperature (°C)
- 17.38
- Seeing (arcsec)
- 0.845
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 | 56.1190 | 56.0020 | 33.2000 | 33.7000 |
U1-U3 | 101.1510 | 100.8440 | 39.3000 | 39.8000 |
U1-U4 | 125.1430 | 124.1620 | 67.1730 | 67.6360 |
U2-U3 | 45.7420 | 45.5440 | 46.8000 | 47.2000 |
U2-U4 | 84.6240 | 83.7730 | 88.9200 | 89.5630 |
U3-U4 | 59.2490 | 58.7490 | 120.0960 | 121.0330 |
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 | 60304.24913089 |
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 | 56.119 |
HIERARCH ESO ISS PBL12 END | 56.002 |
HIERARCH ESO ISS PBLA12 START | 33.2 |
HIERARCH ESO ISS PBLA12 END | 33.7 |
HIERARCH ESO ISS PBL13 START | 101.151 |
HIERARCH ESO ISS PBL13 END | 100.844 |
HIERARCH ESO ISS PBLA13 START | 39.3 |
HIERARCH ESO ISS PBLA13 END | 39.8 |
HIERARCH ESO ISS PBL14 START | 125.143 |
HIERARCH ESO ISS PBL14 END | 124.162 |
HIERARCH ESO ISS PBLA14 START | 67.173 |
HIERARCH ESO ISS PBLA14 END | 67.636 |
HIERARCH ESO ISS PBL23 START | 45.742 |
HIERARCH ESO ISS PBL23 END | 45.544 |
HIERARCH ESO ISS PBLA23 START | 46.8 |
HIERARCH ESO ISS PBLA23 END | 47.2 |
HIERARCH ESO ISS PBL24 START | 84.624 |
HIERARCH ESO ISS PBL24 END | 83.773 |
HIERARCH ESO ISS PBLA24 START | 88.92 |
HIERARCH ESO ISS PBLA24 END | 89.563 |
HIERARCH ESO ISS PBL34 START | 59.249 |
HIERARCH ESO ISS PBL34 END | 58.749 |
HIERARCH ESO ISS PBLA34 START | 120.096 |
HIERARCH ESO ISS PBLA34 END | 121.033 |
HIERARCH ESO ISS AMBI TAU0 START | 0.007445 |
HIERARCH ESO ISS AMBI TAU0 END | 0.009738 |
HIERARCH ESO ISS AMBI TEMP | 17.38 |
HIERARCH ESO ISS AMBI FWHM START | 0.92 |
HIERARCH ESO ISS AMBI FWHM END | 0.77 |
HIERARCH ESO FT ROBJ NAME | HD_42581 |
HIERARCH ESO FT ROBJ ALPHA | 061034.615 |
HIERARCH ESO FT ROBJ DELTA | -215152.656 |