Exposure
ID
GRAVI.2024-02-14T02:53:33.671_1
Header ID
GRAVI.2024-02-14T02:53:33.671
Date updated
2024-02-14 03:05:31 UTC+0000
Release date
2025-02-14 03:05:31 UTC+0000
UTC Start
2024-02-14 02:53:33.671
UTC End
2024-02-14 02:57:33.671
MJD Start
60354.1205286
MJD End
60354.1233063778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.003804
Ambient temperature (°C)
16.6
Seeing (arcsec)
0.82
Observation
ID
58454
Category
science
Program ID
112.25Y8.001
Program Title
MUTUAL INCLINATIONS AND MASSES OF COMPACT GAIA TRIPLE SYSTEMS
Program Type
Normal
PI / COI
GARDNER/ TOKOVININ/ KRAUS/ LU
Target
ID
43267
Name
HD81157
RA
140.453966
DEC
-55.51428
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 81.2250 81.6340 93.9000 94.8000
A0-J2 124.9360 125.2580 72.3000 73.2000
A0-K0 127.8620 127.9040 54.0470 54.9290
G1-J2 57.8220 57.7740 41.0000 41.8000
G1-K0 83.6920 83.5940 15.5770 16.2100
J2-K0 40.1140 40.2220 337.2890 337.7820
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 112.25Y8.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60354.1205286
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 81157
HIERARCH ESO INS SOBJ NAME HD81157
RA 140.453966
DEC -55.51428
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 255.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 81.225
HIERARCH ESO ISS PBL12 END 81.634
HIERARCH ESO ISS PBLA12 START 93.9
HIERARCH ESO ISS PBLA12 END 94.8
HIERARCH ESO ISS PBL13 START 124.936
HIERARCH ESO ISS PBL13 END 125.258
HIERARCH ESO ISS PBLA13 START 72.3
HIERARCH ESO ISS PBLA13 END 73.2
HIERARCH ESO ISS PBL14 START 127.862
HIERARCH ESO ISS PBL14 END 127.904
HIERARCH ESO ISS PBLA14 START 54.047
HIERARCH ESO ISS PBLA14 END 54.929
HIERARCH ESO ISS PBL23 START 57.822
HIERARCH ESO ISS PBL23 END 57.774
HIERARCH ESO ISS PBLA23 START 41.0
HIERARCH ESO ISS PBLA23 END 41.8
HIERARCH ESO ISS PBL24 START 83.692
HIERARCH ESO ISS PBL24 END 83.594
HIERARCH ESO ISS PBLA24 START 15.577
HIERARCH ESO ISS PBLA24 END 16.21
HIERARCH ESO ISS PBL34 START 40.114
HIERARCH ESO ISS PBL34 END 40.222
HIERARCH ESO ISS PBLA34 START 337.289
HIERARCH ESO ISS PBLA34 END 337.782
HIERARCH ESO ISS AMBI TAU0 START 0.003804
HIERARCH ESO ISS AMBI TAU0 END 0.003804
HIERARCH ESO ISS AMBI TEMP 16.6
HIERARCH ESO ISS AMBI FWHM START 0.82
HIERARCH ESO ISS AMBI FWHM END 0.82