Exposure
ID
GRAVI.2025-11-03T06:23:04.544_1
Header ID
GRAVI.2025-11-03T06:23:04.544
Date updated
2025-11-03 06:35:50 UTC+0000
Release date
2026-11-03 06:35:50 UTC+0000
UTC Start
2025-11-03 06:23:04.544
UTC End
2025-11-03 06:27:04.544
MJD Start
60982.26602481
MJD End
60982.26880258778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.003891
Ambient temperature (°C)
10.29
Seeing (arcsec)
0.78
Observation
ID
71016
Category
science
Program ID
116.28L4.001
Program Title
DETERMINING PRECISE DYNAMICAL MASSES OF A UNIQUE BE + SDO SYSTEM TO CALIBRATE THE PHYSICS OF BINARY MASS TRANSFER
Program Type
Normal
PI / COI
KLEMENT / RIVINIUS / DE MINK / LECHIEN
Target
ID
52700
Name
HD_41335
RA
91.053992
DEC
-6.70893
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 88.0450 88.3900 112.6000 112.7000
A0-J2 119.6660 120.5470 90.0000 90.2000
A0-K0 113.6750 114.6560 66.6710 67.0110
G1-J2 51.1450 51.5270 48.6000 49.1000
G1-K0 82.1960 82.3950 16.3250 16.9180
J2-K0 47.6120 47.5520 341.2730 341.6150
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28L4.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60982.26602481
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 41335
HIERARCH ESO INS SOBJ NAME HD_41335
RA 91.053992
DEC -6.70893
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 256.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 88.045
HIERARCH ESO ISS PBL12 END 88.39
HIERARCH ESO ISS PBLA12 START 112.6
HIERARCH ESO ISS PBLA12 END 112.7
HIERARCH ESO ISS PBL13 START 119.666
HIERARCH ESO ISS PBL13 END 120.547
HIERARCH ESO ISS PBLA13 START 90.0
HIERARCH ESO ISS PBLA13 END 90.2
HIERARCH ESO ISS PBL14 START 113.675
HIERARCH ESO ISS PBL14 END 114.656
HIERARCH ESO ISS PBLA14 START 66.671
HIERARCH ESO ISS PBLA14 END 67.011
HIERARCH ESO ISS PBL23 START 51.145
HIERARCH ESO ISS PBL23 END 51.527
HIERARCH ESO ISS PBLA23 START 48.6
HIERARCH ESO ISS PBLA23 END 49.1
HIERARCH ESO ISS PBL24 START 82.196
HIERARCH ESO ISS PBL24 END 82.395
HIERARCH ESO ISS PBLA24 START 16.325
HIERARCH ESO ISS PBLA24 END 16.918
HIERARCH ESO ISS PBL34 START 47.612
HIERARCH ESO ISS PBL34 END 47.552
HIERARCH ESO ISS PBLA34 START 341.273
HIERARCH ESO ISS PBLA34 END 341.615
HIERARCH ESO ISS AMBI TAU0 START 0.003273
HIERARCH ESO ISS AMBI TAU0 END 0.004509
HIERARCH ESO ISS AMBI TEMP 10.29
HIERARCH ESO ISS AMBI FWHM START 0.74
HIERARCH ESO ISS AMBI FWHM END 0.82