Exposure
ID
GRAVI.2024-01-10T06:18:56.000_1
Header ID
GRAVI.2024-01-10T06:18:56.000
Date updated
2024-01-10 06:30:51 UTC+0000
Release date
2025-01-10 06:30:51 UTC+0000
UTC Start
2024-01-10 06:18:56.000
UTC End
2024-01-10 06:22:56.000
MJD Start
60319.26314815
MJD End
60319.2659259278
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.009498
Ambient temperature (°C)
16.42
Seeing (arcsec)
0.565
Observation
ID
58163
Category
science
Program ID
112.25QQ.001
Program Title
A HIGH MULTIPLICITY STUDY OF NEARBY M>2.2 MSUN STARS: ARE THEY THE PROGENITORS OF EVERY EXPLODING WD?
Program Type
Normal
PI / COI
WAISBERG/ KATZ/ KLEIN
Target
ID
43075
Name
HIP55434
RA
170.281416
DEC
6.02926
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 25.2900 25.2960 136.8000 136.7000
A0-D0 22.7390 23.1310 71.6000 71.8000
A0-C1 21.1820 21.3100 117.8480 117.5590
B2-D0 25.9630 26.0320 9.4000 10.2000
B2-C1 8.6510 8.6740 9.3750 10.1410
D0-C1 17.3120 17.3580 189.4490 190.2160
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 112.25QQ.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60319.26314815
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME sig Leo
HIERARCH ESO INS SOBJ NAME HIP55434
RA 170.281416
DEC 6.02926
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 256.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 25.29
HIERARCH ESO ISS PBL12 END 25.296
HIERARCH ESO ISS PBLA12 START 136.8
HIERARCH ESO ISS PBLA12 END 136.7
HIERARCH ESO ISS PBL13 START 22.739
HIERARCH ESO ISS PBL13 END 23.131
HIERARCH ESO ISS PBLA13 START 71.6
HIERARCH ESO ISS PBLA13 END 71.8
HIERARCH ESO ISS PBL14 START 21.182
HIERARCH ESO ISS PBL14 END 21.31
HIERARCH ESO ISS PBLA14 START 117.848
HIERARCH ESO ISS PBLA14 END 117.559
HIERARCH ESO ISS PBL23 START 25.963
HIERARCH ESO ISS PBL23 END 26.032
HIERARCH ESO ISS PBLA23 START 9.4
HIERARCH ESO ISS PBLA23 END 10.2
HIERARCH ESO ISS PBL24 START 8.651
HIERARCH ESO ISS PBL24 END 8.674
HIERARCH ESO ISS PBLA24 START 9.375
HIERARCH ESO ISS PBLA24 END 10.141
HIERARCH ESO ISS PBL34 START 17.312
HIERARCH ESO ISS PBL34 END 17.358
HIERARCH ESO ISS PBLA34 START 189.449
HIERARCH ESO ISS PBLA34 END 190.216
HIERARCH ESO ISS AMBI TAU0 START 0.010159
HIERARCH ESO ISS AMBI TAU0 END 0.008837
HIERARCH ESO ISS AMBI TEMP 16.42
HIERARCH ESO ISS AMBI FWHM START 0.57
HIERARCH ESO ISS AMBI FWHM END 0.56