Exposure
- ID
- GRAVI.2025-11-30T08:10:00.132_1
- Header ID
- GRAVI.2025-11-30T08:10:00.132
- Date updated
- 2025-11-30 08:25:48 UTC+0000
- Release date
- 2025-11-30 08:10:00 UTC+0000
- UTC Start
- 2025-11-30 08:10:00.132
- UTC End
- 2025-11-30 08:16:40.132
- MJD Start
- 61009.3402793
- MJD End
- 61009.34490892963
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005171500000000001
- Ambient temperature (°C)
- 12.54
- Seeing (arcsec)
- 0.69
Observation
- ID
- 71918
- 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
- 53394
- Name
- HD303684
- RA
- 165.204383
- DEC
- -59.50511
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-B5 | 33.6140 | 34.0740 | 120.2000 | 121.2000 |
| A0-J2 | 119.4800 | 120.0770 | 52.6000 | 54.3000 |
| A0-J6 | 154.4240 | 154.3470 | 3.5660 | 4.6650 |
| B5-J2 | 111.1000 | 111.2260 | 36.3000 | 37.9000 |
| B5-J6 | 172.1110 | 172.2800 | 353.5090 | 354.4730 |
| J2-J6 | 117.9330 | 119.2410 | 313.7080 | 314.5940 |
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 | 61009.3402793 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD303684 |
| HIERARCH ESO INS SOBJ NAME | HD303684 |
| RA | 165.204383 |
| DEC | -59.50511 |
| 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 | B5 |
| HIERARCH ESO ISS CONF STATION3 | J2 |
| HIERARCH ESO ISS CONF STATION4 | J6 |
| EXPTIME | 414.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 100.0 |
| HIERARCH ESO DET2 NDIT | 4 |
| HIERARCH ESO ISS PBL12 START | 33.614 |
| HIERARCH ESO ISS PBL12 END | 34.074 |
| HIERARCH ESO ISS PBLA12 START | 120.2 |
| HIERARCH ESO ISS PBLA12 END | 121.2 |
| HIERARCH ESO ISS PBL13 START | 119.48 |
| HIERARCH ESO ISS PBL13 END | 120.077 |
| HIERARCH ESO ISS PBLA13 START | 52.6 |
| HIERARCH ESO ISS PBLA13 END | 54.3 |
| HIERARCH ESO ISS PBL14 START | 154.424 |
| HIERARCH ESO ISS PBL14 END | 154.347 |
| HIERARCH ESO ISS PBLA14 START | 3.566 |
| HIERARCH ESO ISS PBLA14 END | 4.665 |
| HIERARCH ESO ISS PBL23 START | 111.1 |
| HIERARCH ESO ISS PBL23 END | 111.226 |
| HIERARCH ESO ISS PBLA23 START | 36.3 |
| HIERARCH ESO ISS PBLA23 END | 37.9 |
| HIERARCH ESO ISS PBL24 START | 172.111 |
| HIERARCH ESO ISS PBL24 END | 172.28 |
| HIERARCH ESO ISS PBLA24 START | 353.509 |
| HIERARCH ESO ISS PBLA24 END | 354.473 |
| HIERARCH ESO ISS PBL34 START | 117.933 |
| HIERARCH ESO ISS PBL34 END | 119.241 |
| HIERARCH ESO ISS PBLA34 START | 313.708 |
| HIERARCH ESO ISS PBLA34 END | 314.594 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004603 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00574 |
| HIERARCH ESO ISS AMBI TEMP | 12.54 |
| HIERARCH ESO ISS AMBI FWHM START | 0.64 |
| HIERARCH ESO ISS AMBI FWHM END | 0.74 |