Exposure
ID
GRAVI.2024-08-18T00:53:03.761_1
Header ID
GRAVI.2024-08-18T00:53:03.761
Date updated
2024-08-18 01:00:45 UTC+0000
Release date
2025-08-18 01:00:45 UTC+0000
UTC Start
2024-08-18 00:53:03.761
UTC End
2024-08-18 00:53:32.561
MJD Start
60540.03684908
MJD End
60540.0371824133
Exposure time (s)
28.8
Validation level
1
Tau 0: Coherence time (s)
0.002419
Ambient temperature (°C)
13.28
Seeing (arcsec)
0.92
Observation
ID
59227
Category
science
Program ID
113.26PU.001
Program Title
3D ORBIT RECONSTRUCTION OF EVOLVED MASSIVE BINARY SYSTEMS
Program Type
Normal
PI / COI
MAHY / SANA / FROST / LANTHERMANN / LE BOUQUIN / GOSSET / HUTSEMEKERS
Target
ID
42400
Name
B61_2
RA
265.395075
DEC
-30.11078
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 90.5020 90.4990 117.8000 118.0000
A0-J2 129.0410 129.0180 94.8000 94.9000
A0-K0 127.4860 127.4520 73.0010 73.1270
G1-J2 57.9120 57.8960 57.0000 57.1000
G1-K0 89.9040 89.8890 27.7750 27.8880
J2-K0 48.4720 48.4730 352.0820 352.1990
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 113.26PU.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60540.03684908
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME B61 2
HIERARCH ESO INS SOBJ NAME B61_2
RA 265.395075
DEC -30.11078
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 55.0
HIERARCH ESO DET2 SEQ1 DIT 0.3
HIERARCH ESO DET2 NDIT 96
HIERARCH ESO ISS PBL12 START 90.502
HIERARCH ESO ISS PBL12 END 90.499
HIERARCH ESO ISS PBLA12 START 117.8
HIERARCH ESO ISS PBLA12 END 118.0
HIERARCH ESO ISS PBL13 START 129.041
HIERARCH ESO ISS PBL13 END 129.018
HIERARCH ESO ISS PBLA13 START 94.8
HIERARCH ESO ISS PBLA13 END 94.9
HIERARCH ESO ISS PBL14 START 127.486
HIERARCH ESO ISS PBL14 END 127.452
HIERARCH ESO ISS PBLA14 START 73.001
HIERARCH ESO ISS PBLA14 END 73.127
HIERARCH ESO ISS PBL23 START 57.912
HIERARCH ESO ISS PBL23 END 57.896
HIERARCH ESO ISS PBLA23 START 57.0
HIERARCH ESO ISS PBLA23 END 57.1
HIERARCH ESO ISS PBL24 START 89.904
HIERARCH ESO ISS PBL24 END 89.889
HIERARCH ESO ISS PBLA24 START 27.775
HIERARCH ESO ISS PBLA24 END 27.888
HIERARCH ESO ISS PBL34 START 48.472
HIERARCH ESO ISS PBL34 END 48.473
HIERARCH ESO ISS PBLA34 START 352.082
HIERARCH ESO ISS PBLA34 END 352.199
HIERARCH ESO ISS AMBI TAU0 START 0.002419
HIERARCH ESO ISS AMBI TAU0 END 0.002419
HIERARCH ESO ISS AMBI TEMP 13.28
HIERARCH ESO ISS AMBI FWHM START 0.92
HIERARCH ESO ISS AMBI FWHM END 0.92