Exposure
ID
GRAVI.2025-12-15T03:59:17.649_1
Header ID
GRAVI.2025-12-15T03:59:17.649
Date updated
2025-12-15 04:11:27 UTC+0000
Release date
2026-12-15 04:11:27 UTC+0000
UTC Start
2025-12-15 03:59:17.649
UTC End
2025-12-15 04:03:17.649
MJD Start
61024.16617649
MJD End
61024.16895426778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.003797
Ambient temperature (°C)
9.72
Seeing (arcsec)
0.67
Observation
ID
72297
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
53700
Name
HD_41335
RA
91.053991
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 89.5130 89.7280 112.9000 112.9000
A0-J2 123.6660 124.3400 90.7000 90.8000
A0-K0 118.2820 119.1070 68.2420 68.5250
G1-J2 52.9860 53.3290 51.0000 51.4000
G1-K0 83.2340 83.4510 19.1930 19.7420
J2-K0 47.3090 47.2480 343.0360 343.4070
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 61024.16617649
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 41335
HIERARCH ESO INS SOBJ NAME HD_41335
RA 91.053991
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 89.513
HIERARCH ESO ISS PBL12 END 89.728
HIERARCH ESO ISS PBLA12 START 112.9
HIERARCH ESO ISS PBLA12 END 112.9
HIERARCH ESO ISS PBL13 START 123.666
HIERARCH ESO ISS PBL13 END 124.34
HIERARCH ESO ISS PBLA13 START 90.7
HIERARCH ESO ISS PBLA13 END 90.8
HIERARCH ESO ISS PBL14 START 118.282
HIERARCH ESO ISS PBL14 END 119.107
HIERARCH ESO ISS PBLA14 START 68.242
HIERARCH ESO ISS PBLA14 END 68.525
HIERARCH ESO ISS PBL23 START 52.986
HIERARCH ESO ISS PBL23 END 53.329
HIERARCH ESO ISS PBLA23 START 51.0
HIERARCH ESO ISS PBLA23 END 51.4
HIERARCH ESO ISS PBL24 START 83.234
HIERARCH ESO ISS PBL24 END 83.451
HIERARCH ESO ISS PBLA24 START 19.193
HIERARCH ESO ISS PBLA24 END 19.742
HIERARCH ESO ISS PBL34 START 47.309
HIERARCH ESO ISS PBL34 END 47.248
HIERARCH ESO ISS PBLA34 START 343.036
HIERARCH ESO ISS PBLA34 END 343.407
HIERARCH ESO ISS AMBI TAU0 START 0.003781
HIERARCH ESO ISS AMBI TAU0 END 0.003813
HIERARCH ESO ISS AMBI TEMP 9.72
HIERARCH ESO ISS AMBI FWHM START 0.67
HIERARCH ESO ISS AMBI FWHM END 0.67