Exposure
- ID
- GRAVI.2025-01-18T08:39:25.894_2
- Header ID
- GRAVI.2025-01-18T08:39:25.894
- Date updated
- 2025-01-18 08:55:36 UTC+0000
- Release date
- 2026-01-18 08:55:36 UTC+0000
- UTC Start
- 2025-01-18 08:39:25.894
- UTC End
- 2025-01-18 08:46:05.894
- MJD Start
- 60693.36071636
- MJD End
- 60693.36534598963
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0054210000000000005
- Ambient temperature (°C)
- 11.37
- Seeing (arcsec)
- 0.75
Observation
- ID
- 58959
- Category
- science
- Program ID
- 113.26B4.001
- Program Title
- MONITORING OF A MULTIPLE PLANETARY SYSTEM IN A YOUNG TRANSITION DISK AROUND A SOLAR TWIN
- Program Type
- Normal
- PI / COI
- TREVASCUS / BRANDNER / LACOUR / VIGAN / WANG / KREIDBERG / RICKMAN / BALMER / KAMMERER / CHAUVIN / SANCHEZ / SAUTER / BONNEFOY / HINKLEY
Target
- ID
- 43644
- Name
- PDS70
- RA
- 212.04231249999995
- DEC
- -41.397936944444446
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- U1 U2 U3 U4
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.1280 | 56.1030 | 8.4000 | 9.4000 |
| U1-U3 | 102.2290 | 102.1910 | 13.7000 | 14.8000 |
| U1-U4 | 127.5320 | 127.8890 | 37.3900 | 38.7520 |
| U2-U3 | 46.6380 | 46.6410 | 20.2000 | 21.3000 |
| U2-U4 | 83.0190 | 83.6410 | 56.5160 | 57.9490 |
| U3-U4 | 53.2000 | 53.9330 | 87.8230 | 89.0020 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.26B4.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60693.36071636 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | PDS70 |
| HIERARCH ESO INS SOBJ NAME | PDS70 |
| RA | 212.045435 |
| DEC | -41.39827 |
| 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 | 418.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 100.0 |
| HIERARCH ESO DET2 NDIT | 4 |
| HIERARCH ESO ISS PBL12 START | 56.128 |
| HIERARCH ESO ISS PBL12 END | 56.103 |
| HIERARCH ESO ISS PBLA12 START | 8.4 |
| HIERARCH ESO ISS PBLA12 END | 9.4 |
| HIERARCH ESO ISS PBL13 START | 102.229 |
| HIERARCH ESO ISS PBL13 END | 102.191 |
| HIERARCH ESO ISS PBLA13 START | 13.7 |
| HIERARCH ESO ISS PBLA13 END | 14.8 |
| HIERARCH ESO ISS PBL14 START | 127.532 |
| HIERARCH ESO ISS PBL14 END | 127.889 |
| HIERARCH ESO ISS PBLA14 START | 37.39 |
| HIERARCH ESO ISS PBLA14 END | 38.752 |
| HIERARCH ESO ISS PBL23 START | 46.638 |
| HIERARCH ESO ISS PBL23 END | 46.641 |
| HIERARCH ESO ISS PBLA23 START | 20.2 |
| HIERARCH ESO ISS PBLA23 END | 21.3 |
| HIERARCH ESO ISS PBL24 START | 83.019 |
| HIERARCH ESO ISS PBL24 END | 83.641 |
| HIERARCH ESO ISS PBLA24 START | 56.516 |
| HIERARCH ESO ISS PBLA24 END | 57.949 |
| HIERARCH ESO ISS PBL34 START | 53.2 |
| HIERARCH ESO ISS PBL34 END | 53.933 |
| HIERARCH ESO ISS PBLA34 START | 87.823 |
| HIERARCH ESO ISS PBLA34 END | 89.002 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00507 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005772 |
| HIERARCH ESO ISS AMBI TEMP | 11.37 |
| HIERARCH ESO ISS AMBI FWHM START | 0.81 |
| HIERARCH ESO ISS AMBI FWHM END | 0.69 |
| HIERARCH ESO FT ROBJ NAME | PDS70 |
| HIERARCH ESO FT ROBJ ALPHA | 140810.155 |
| HIERARCH ESO FT ROBJ DELTA | -412352.573 |