Exposure
- ID
- GRAVI.2025-10-27T08:31:25.600_1
- Header ID
- GRAVI.2025-10-27T08:31:25.600
- Date updated
- 2025-10-27 08:46:15 UTC+0000
- Release date
- 2025-10-27 08:31:25 UTC+0000
- UTC Start
- 2025-10-27 08:31:25.600
- UTC End
- 2025-10-27 08:37:25.600
- MJD Start
- 60975.35515741
- MJD End
- 60975.359324076664
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003858
- Ambient temperature (°C)
- 12.4
- Seeing (arcsec)
- 1.1
Observation
- ID
- 71019
- 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
- 52703
- Name
- HD70004
- RA
- 124.479312
- DEC
- -42.13796
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-G1 | 78.5050 | 79.3970 | 95.7000 | 96.7000 |
| A0-J2 | 118.3850 | 119.3600 | 70.7000 | 71.9000 |
| A0-K0 | 123.8920 | 124.3780 | 49.6590 | 50.9010 |
| G1-J2 | 57.8310 | 57.9090 | 35.5000 | 36.7000 |
| G1-K0 | 89.5530 | 89.5020 | 10.5040 | 11.3920 |
| J2-K0 | 44.4640 | 44.6160 | 337.1550 | 337.7380 |
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 | 60975.35515741 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD70004 |
| HIERARCH ESO INS SOBJ NAME | HD70004 |
| RA | 124.479312 |
| 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 | G1 |
| HIERARCH ESO ISS CONF STATION3 | J2 |
| HIERARCH ESO ISS CONF STATION4 | K0 |
| EXPTIME | 376.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 78.505 |
| HIERARCH ESO ISS PBL12 END | 79.397 |
| HIERARCH ESO ISS PBLA12 START | 95.7 |
| HIERARCH ESO ISS PBLA12 END | 96.7 |
| HIERARCH ESO ISS PBL13 START | 118.385 |
| HIERARCH ESO ISS PBL13 END | 119.36 |
| HIERARCH ESO ISS PBLA13 START | 70.7 |
| HIERARCH ESO ISS PBLA13 END | 71.9 |
| HIERARCH ESO ISS PBL14 START | 123.892 |
| HIERARCH ESO ISS PBL14 END | 124.378 |
| HIERARCH ESO ISS PBLA14 START | 49.659 |
| HIERARCH ESO ISS PBLA14 END | 50.901 |
| HIERARCH ESO ISS PBL23 START | 57.831 |
| HIERARCH ESO ISS PBL23 END | 57.909 |
| HIERARCH ESO ISS PBLA23 START | 35.5 |
| HIERARCH ESO ISS PBLA23 END | 36.7 |
| HIERARCH ESO ISS PBL24 START | 89.553 |
| HIERARCH ESO ISS PBL24 END | 89.502 |
| HIERARCH ESO ISS PBLA24 START | 10.504 |
| HIERARCH ESO ISS PBLA24 END | 11.392 |
| HIERARCH ESO ISS PBL34 START | 44.464 |
| HIERARCH ESO ISS PBL34 END | 44.616 |
| HIERARCH ESO ISS PBLA34 START | 337.155 |
| HIERARCH ESO ISS PBLA34 END | 337.738 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003397 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004319 |
| HIERARCH ESO ISS AMBI TEMP | 12.4 |
| HIERARCH ESO ISS AMBI FWHM START | 1.22 |
| HIERARCH ESO ISS AMBI FWHM END | 0.98 |