Exposure
ID
GRAVI.2024-07-04T02:37:03.376_1
Header ID
GRAVI.2024-07-04T02:37:03.376
Date updated
2024-07-04 02:45:47 UTC+0000
Release date
2025-07-04 02:45:46 UTC+0000
UTC Start
2024-07-04 02:37:03.376
UTC End
2024-07-04 02:39:43.376
MJD Start
60495.10906685
MJD End
60495.1109187019
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.007941
Ambient temperature (°C)
15.02
Seeing (arcsec)
0.47
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 89.9490 89.8350 117.4000 117.7000
A0-J2 128.8500 128.7200 94.2000 94.4000
A0-K0 127.9080 127.8490 72.5090 72.7340
G1-J2 58.2290 58.2270 56.7000 56.9000
G1-K0 90.3040 90.3350 27.8220 28.0930
J2-K0 48.3220 48.3130 352.2550 352.5700
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 60495.10906685
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 89.949
HIERARCH ESO ISS PBL12 END 89.835
HIERARCH ESO ISS PBLA12 START 117.4
HIERARCH ESO ISS PBLA12 END 117.7
HIERARCH ESO ISS PBL13 START 128.85
HIERARCH ESO ISS PBL13 END 128.72
HIERARCH ESO ISS PBLA13 START 94.2
HIERARCH ESO ISS PBLA13 END 94.4
HIERARCH ESO ISS PBL14 START 127.908
HIERARCH ESO ISS PBL14 END 127.849
HIERARCH ESO ISS PBLA14 START 72.509
HIERARCH ESO ISS PBLA14 END 72.734
HIERARCH ESO ISS PBL23 START 58.229
HIERARCH ESO ISS PBL23 END 58.227
HIERARCH ESO ISS PBLA23 START 56.7
HIERARCH ESO ISS PBLA23 END 56.9
HIERARCH ESO ISS PBL24 START 90.304
HIERARCH ESO ISS PBL24 END 90.335
HIERARCH ESO ISS PBLA24 START 27.822
HIERARCH ESO ISS PBLA24 END 28.093
HIERARCH ESO ISS PBL34 START 48.322
HIERARCH ESO ISS PBL34 END 48.313
HIERARCH ESO ISS PBLA34 START 352.255
HIERARCH ESO ISS PBLA34 END 352.57
HIERARCH ESO ISS AMBI TAU0 START 0.007865
HIERARCH ESO ISS AMBI TAU0 END 0.008017
HIERARCH ESO ISS AMBI TEMP 15.02
HIERARCH ESO ISS AMBI FWHM START 0.46
HIERARCH ESO ISS AMBI FWHM END 0.48