Exposure
ID
GRAVI.2024-07-04T02:30:21.358_1
Header ID
GRAVI.2024-07-04T02:30:21.358
Date updated
2024-07-04 02:40:52 UTC+0000
Release date
2025-07-04 02:40:52 UTC+0000
UTC Start
2024-07-04 02:30:21.358
UTC End
2024-07-04 02:33:01.358
MJD Start
60495.10441387
MJD End
60495.1062657219
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0096605
Ambient temperature (°C)
15.13
Seeing (arcsec)
0.4
Observation
ID
59889
Category
science
Program ID
113.26KC.001
Program Title
DYNAMICAL MASSES OF CLASSICAL BE STARS AND THEIR STRIPPED SUBDWARF COMPANIONS
Program Type
Normal
PI / COI
KLEMENT / RIVINIUS / BAADE / MÉRAND
Target
ID
41711
Name
chi_Oph
RA
246.753622
DEC
-18.45637
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 90.1700 90.0800 116.8000 117.1000
A0-J2 129.0780 128.9910 93.7000 93.9000
A0-K0 127.9780 127.9580 71.9990 72.2290
G1-J2 58.2120 58.2230 56.2000 56.4000
G1-K0 90.2230 90.2600 27.2040 27.4820
J2-K0 48.3440 48.3340 351.5550 351.8650
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 113.26KC.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60495.10441387
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME chi Oph
HIERARCH ESO INS SOBJ NAME chi_Oph
RA 246.753622
DEC -18.45637
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 90.17
HIERARCH ESO ISS PBL12 END 90.08
HIERARCH ESO ISS PBLA12 START 116.8
HIERARCH ESO ISS PBLA12 END 117.1
HIERARCH ESO ISS PBL13 START 129.078
HIERARCH ESO ISS PBL13 END 128.991
HIERARCH ESO ISS PBLA13 START 93.7
HIERARCH ESO ISS PBLA13 END 93.9
HIERARCH ESO ISS PBL14 START 127.978
HIERARCH ESO ISS PBL14 END 127.958
HIERARCH ESO ISS PBLA14 START 71.999
HIERARCH ESO ISS PBLA14 END 72.229
HIERARCH ESO ISS PBL23 START 58.212
HIERARCH ESO ISS PBL23 END 58.223
HIERARCH ESO ISS PBLA23 START 56.2
HIERARCH ESO ISS PBLA23 END 56.4
HIERARCH ESO ISS PBL24 START 90.223
HIERARCH ESO ISS PBL24 END 90.26
HIERARCH ESO ISS PBLA24 START 27.204
HIERARCH ESO ISS PBLA24 END 27.482
HIERARCH ESO ISS PBL34 START 48.344
HIERARCH ESO ISS PBL34 END 48.334
HIERARCH ESO ISS PBLA34 START 351.555
HIERARCH ESO ISS PBLA34 END 351.865
HIERARCH ESO ISS AMBI TAU0 START 0.009747
HIERARCH ESO ISS AMBI TAU0 END 0.009574
HIERARCH ESO ISS AMBI TEMP 15.13
HIERARCH ESO ISS AMBI FWHM START 0.37
HIERARCH ESO ISS AMBI FWHM END 0.43