Exposure
ID
GRAVI.2025-07-11T05:08:39.341_1
Header ID
GRAVI.2025-07-11T05:08:39.341
Date updated
2025-07-11 05:20:36 UTC+0000
Release date
2025-07-11 05:20:36 UTC+0000
UTC Start
2025-07-11 05:08:39.341
UTC End
2025-07-11 05:13:59.341
MJD Start
60867.21434423
MJD End
60867.218047933704
Exposure time (s)
320.0
Validation level
1
Tau 0: Coherence time (s)
0.0048545
Ambient temperature (°C)
10.64
Seeing (arcsec)
0.445
Observation
ID
68653
Category
science
Program ID
60.A-9256(A)
Program Title
CALIBRATION RUN FOR GRAVITY
Program Type
Normal
PI / COI
OBSERVATORY
Target
ID
51068
Name
P2485_B
RA
317.608548
DEC
-54.57389
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
DUAL
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 52.6020 52.5140 16.7000 17.5000
U1-U3 97.0910 96.9060 22.6000 23.5000
U1-U4 129.9300 129.8320 46.9860 48.0960
U2-U3 45.1060 45.0200 29.6000 30.6000
U2-U4 88.5860 88.7370 64.4200 65.6140
U3-U4 57.6290 57.9680 90.9650 92.1040
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 60.A-9256(A)
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 60867.21434423
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME P2485_B
HIERARCH ESO INS SOBJ NAME P2485_B
RA 317.608548
DEC -54.57389
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 U1
HIERARCH ESO ISS CONF STATION2 U2
HIERARCH ESO ISS CONF STATION3 U3
HIERARCH ESO ISS CONF STATION4 U4
EXPTIME 339.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 32
HIERARCH ESO ISS PBL12 START 52.602
HIERARCH ESO ISS PBL12 END 52.514
HIERARCH ESO ISS PBLA12 START 16.7
HIERARCH ESO ISS PBLA12 END 17.5
HIERARCH ESO ISS PBL13 START 97.091
HIERARCH ESO ISS PBL13 END 96.906
HIERARCH ESO ISS PBLA13 START 22.6
HIERARCH ESO ISS PBLA13 END 23.5
HIERARCH ESO ISS PBL14 START 129.93
HIERARCH ESO ISS PBL14 END 129.832
HIERARCH ESO ISS PBLA14 START 46.986
HIERARCH ESO ISS PBLA14 END 48.096
HIERARCH ESO ISS PBL23 START 45.106
HIERARCH ESO ISS PBL23 END 45.02
HIERARCH ESO ISS PBLA23 START 29.6
HIERARCH ESO ISS PBLA23 END 30.6
HIERARCH ESO ISS PBL24 START 88.586
HIERARCH ESO ISS PBL24 END 88.737
HIERARCH ESO ISS PBLA24 START 64.42
HIERARCH ESO ISS PBLA24 END 65.614
HIERARCH ESO ISS PBL34 START 57.629
HIERARCH ESO ISS PBL34 END 57.968
HIERARCH ESO ISS PBLA34 START 90.965
HIERARCH ESO ISS PBLA34 END 92.104
HIERARCH ESO ISS AMBI TAU0 START 0.004427
HIERARCH ESO ISS AMBI TAU0 END 0.005282
HIERARCH ESO ISS AMBI TEMP 10.64
HIERARCH ESO ISS AMBI FWHM START 0.49
HIERARCH ESO ISS AMBI FWHM END 0.4
HIERARCH ESO FT ROBJ NAME P2485_A
HIERARCH ESO FT ROBJ ALPHA 211025.355
HIERARCH ESO FT ROBJ DELTA -543425.479