Exposure
- ID
- GRAVI.2025-04-02T02:39:56.552_2
- Header ID
- GRAVI.2025-04-02T02:39:56.552
- Date updated
- 2025-04-02 02:50:53 UTC+0000
- Release date
- 2025-04-02 02:39:56 UTC+0000
- UTC Start
- 2025-04-02 02:39:56.552
- UTC End
- 2025-04-02 02:43:56.552
- MJD Start
- 60767.1110712
- MJD End
- 60767.11384897778
- Exposure time (s)
- 240.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0088815
- Ambient temperature (°C)
- 13.64
- Seeing (arcsec)
- 0.36
Observation
- ID
- 65998
- Category
- calibrator
- Program ID
- 60.A-9801(U)
- Program Title
- TECHNICAL TIME
- Program Type
- Normal
- PI / COI
- OBSERVATORY
Target
- ID
- 48427
- Name
- hd73900a
- RA
- 129.84211666666664
- DEC
- -36.60667
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- K0 G2 D0 J3
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| K0-G2 | 62.7580 | 62.3760 | 290.8000 | 291.6000 |
| K0-D0 | 85.0170 | 84.3440 | 268.5000 | 269.1000 |
| K0-J3 | 56.5110 | 56.5180 | 348.0380 | 348.6400 |
| G2-D0 | 35.9690 | 35.7760 | 227.1000 | 227.4000 |
| G2-J3 | 57.3680 | 57.0030 | 54.9200 | 55.3020 |
| D0-J3 | 93.1290 | 92.5700 | 51.8920 | 52.2600 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 60.A-9801(U) |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 60767.1110712 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | hd73900b |
| HIERARCH ESO INS SOBJ NAME | hd73900b |
| RA | 129.840784 |
| DEC | -36.60644 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| HIERARCH ESO INS POLA MODE | COMBINED |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | K0 |
| HIERARCH ESO ISS CONF STATION2 | G2 |
| HIERARCH ESO ISS CONF STATION3 | D0 |
| HIERARCH ESO ISS CONF STATION4 | J3 |
| EXPTIME | 255.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 8 |
| HIERARCH ESO ISS PBL12 START | 62.758 |
| HIERARCH ESO ISS PBL12 END | 62.376 |
| HIERARCH ESO ISS PBLA12 START | 290.8 |
| HIERARCH ESO ISS PBLA12 END | 291.6 |
| HIERARCH ESO ISS PBL13 START | 85.017 |
| HIERARCH ESO ISS PBL13 END | 84.344 |
| HIERARCH ESO ISS PBLA13 START | 268.5 |
| HIERARCH ESO ISS PBLA13 END | 269.1 |
| HIERARCH ESO ISS PBL14 START | 56.511 |
| HIERARCH ESO ISS PBL14 END | 56.518 |
| HIERARCH ESO ISS PBLA14 START | 348.038 |
| HIERARCH ESO ISS PBLA14 END | 348.64 |
| HIERARCH ESO ISS PBL23 START | 35.969 |
| HIERARCH ESO ISS PBL23 END | 35.776 |
| HIERARCH ESO ISS PBLA23 START | 227.1 |
| HIERARCH ESO ISS PBLA23 END | 227.4 |
| HIERARCH ESO ISS PBL24 START | 57.368 |
| HIERARCH ESO ISS PBL24 END | 57.003 |
| HIERARCH ESO ISS PBLA24 START | 54.92 |
| HIERARCH ESO ISS PBLA24 END | 55.302 |
| HIERARCH ESO ISS PBL34 START | 93.129 |
| HIERARCH ESO ISS PBL34 END | 92.57 |
| HIERARCH ESO ISS PBLA34 START | 51.892 |
| HIERARCH ESO ISS PBLA34 END | 52.26 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008554 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.009209 |
| HIERARCH ESO ISS AMBI TEMP | 13.64 |
| HIERARCH ESO ISS AMBI FWHM START | 0.38 |
| HIERARCH ESO ISS AMBI FWHM END | 0.34 |
| HIERARCH ESO FT ROBJ NAME | hd73900a |
| HIERARCH ESO FT ROBJ ALPHA | 083922.108 |
| HIERARCH ESO FT ROBJ DELTA | -363624.012 |