Exposure
ID
GRAVI.2025-12-01T06:05:28.473_1
Header ID
GRAVI.2025-12-01T06:05:28.473
Date updated
2025-12-01 06:21:32 UTC+0000
Release date
2025-12-01 06:05:28 UTC+0000
UTC Start
2025-12-01 06:05:28.473
UTC End
2025-12-01 06:11:28.473
MJD Start
61010.25380177
MJD End
61010.257968436665
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.004344
Ambient temperature (°C)
13.57
Seeing (arcsec)
0.48
Observation
ID
71941
Category
calibrator
Program ID
116.28NT.001
Program Title
UNRAVELING GALACTIC BINARY CEPHEIDS: INSIGHTS FROM INTERFEROMETRY AND THE UPCOMING GAIA DATA RELEASE
Program Type
Normal
PI / COI
GALLENNE / KERVELLA / EVANS / MÉRAND / PIETRZYNSKI / GIEREN / PILECKI
Target
ID
53408
Name
HD70004
RA
124.48081
DEC
-42.13796
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 42.0130 42.3540 136.0000 136.6000
A0-J2 117.0230 118.0480 69.0000 70.2000
A0-J6 168.0590 167.9770 9.3190 10.2140
B5-J2 107.8130 108.2630 48.0000 49.2000
B5-J6 196.0900 196.0930 359.4310 0.2030
J2-J6 148.5900 149.4540 326.4940 327.0450
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28NT.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 61010.25380177
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD70004
HIERARCH ESO INS SOBJ NAME HD70004
RA 124.48081
DEC -42.13796
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 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 376.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 42.013
HIERARCH ESO ISS PBL12 END 42.354
HIERARCH ESO ISS PBLA12 START 136.0
HIERARCH ESO ISS PBLA12 END 136.6
HIERARCH ESO ISS PBL13 START 117.023
HIERARCH ESO ISS PBL13 END 118.048
HIERARCH ESO ISS PBLA13 START 69.0
HIERARCH ESO ISS PBLA13 END 70.2
HIERARCH ESO ISS PBL14 START 168.059
HIERARCH ESO ISS PBL14 END 167.977
HIERARCH ESO ISS PBLA14 START 9.319
HIERARCH ESO ISS PBLA14 END 10.214
HIERARCH ESO ISS PBL23 START 107.813
HIERARCH ESO ISS PBL23 END 108.263
HIERARCH ESO ISS PBLA23 START 48.0
HIERARCH ESO ISS PBLA23 END 49.2
HIERARCH ESO ISS PBL24 START 196.09
HIERARCH ESO ISS PBL24 END 196.093
HIERARCH ESO ISS PBLA24 START 359.431
HIERARCH ESO ISS PBLA24 END 0.203
HIERARCH ESO ISS PBL34 START 148.59
HIERARCH ESO ISS PBL34 END 149.454
HIERARCH ESO ISS PBLA34 START 326.494
HIERARCH ESO ISS PBLA34 END 327.045
HIERARCH ESO ISS AMBI TAU0 START 0.004154
HIERARCH ESO ISS AMBI TAU0 END 0.004534
HIERARCH ESO ISS AMBI TEMP 13.57
HIERARCH ESO ISS AMBI FWHM START 0.51
HIERARCH ESO ISS AMBI FWHM END 0.45