Exposure
- ID
- GRAVI.2025-02-15T06:13:01.612_2
- Header ID
- GRAVI.2025-02-15T06:13:01.612
- Date updated
- 2025-02-15 06:25:42 UTC+0000
- Release date
- 2026-02-15 06:25:42 UTC+0000
- UTC Start
- 2025-02-15 06:13:01.612
- UTC End
- 2025-02-15 06:19:41.612
- MJD Start
- 60721.25904644
- MJD End
- 60721.263676069626
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.016529000000000002
- Ambient temperature (°C)
- 13.32
- Seeing (arcsec)
- 0.41000000000000003
Observation
- ID
- 58961
- Category
- science
- Program ID
- 113.26QY.001
- Program Title
- THE FIRST Z=2 SMBH MASSES WITH GRAVITY-WIDE
- Program Type
- Normal
- PI / COI
- SHIMIZU / EISENHAUER / GENZEL / SHANGGUAN / DAVIES / STURM / LUTZ / SANTOS / CAO / TACCONI / FORSTER SCHREIBER / DE ZEEUW / HOENIG / MILLOUR / DEXTER / LEFTLEY / PAUMARD / PETROV / CLÉNET / LOPEZ / PERRIN
Target
- ID
- 40581
- Name
- TYC_7811-2901-1
- RA
- 210.57465833333333
- DEC
- -41.85805138888889
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 | 56.1470 | 56.1340 | 4.0000 | 5.0000 |
| U1-U3 | 102.2980 | 102.2780 | 9.0000 | 10.1000 |
| U1-U4 | 126.0840 | 126.4600 | 31.1570 | 32.5880 |
| U2-U3 | 46.6160 | 46.6240 | 15.0000 | 16.2000 |
| U2-U4 | 80.3100 | 80.9790 | 49.7510 | 51.2990 |
| U3-U4 | 49.7350 | 50.5640 | 82.0820 | 83.3590 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.26QY.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60721.25904644 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | GQC J1402-4151 |
| HIERARCH ESO INS SOBJ NAME | GQC_J1402-4151 |
| RA | 210.574806 |
| DEC | -41.85885 |
| 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 | 414.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 100.0 |
| HIERARCH ESO DET2 NDIT | 4 |
| HIERARCH ESO ISS PBL12 START | 56.147 |
| HIERARCH ESO ISS PBL12 END | 56.134 |
| HIERARCH ESO ISS PBLA12 START | 4.0 |
| HIERARCH ESO ISS PBLA12 END | 5.0 |
| HIERARCH ESO ISS PBL13 START | 102.298 |
| HIERARCH ESO ISS PBL13 END | 102.278 |
| HIERARCH ESO ISS PBLA13 START | 9.0 |
| HIERARCH ESO ISS PBLA13 END | 10.1 |
| HIERARCH ESO ISS PBL14 START | 126.084 |
| HIERARCH ESO ISS PBL14 END | 126.46 |
| HIERARCH ESO ISS PBLA14 START | 31.157 |
| HIERARCH ESO ISS PBLA14 END | 32.588 |
| HIERARCH ESO ISS PBL23 START | 46.616 |
| HIERARCH ESO ISS PBL23 END | 46.624 |
| HIERARCH ESO ISS PBLA23 START | 15.0 |
| HIERARCH ESO ISS PBLA23 END | 16.2 |
| HIERARCH ESO ISS PBL24 START | 80.31 |
| HIERARCH ESO ISS PBL24 END | 80.979 |
| HIERARCH ESO ISS PBLA24 START | 49.751 |
| HIERARCH ESO ISS PBLA24 END | 51.299 |
| HIERARCH ESO ISS PBL34 START | 49.735 |
| HIERARCH ESO ISS PBL34 END | 50.564 |
| HIERARCH ESO ISS PBLA34 START | 82.082 |
| HIERARCH ESO ISS PBLA34 END | 83.359 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.016783 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.016275 |
| HIERARCH ESO ISS AMBI TEMP | 13.32 |
| HIERARCH ESO ISS AMBI FWHM START | 0.39 |
| HIERARCH ESO ISS AMBI FWHM END | 0.43 |
| HIERARCH ESO FT ROBJ NAME | TYC_7811-2901-1 |
| HIERARCH ESO FT ROBJ ALPHA | 140217.918 |
| HIERARCH ESO FT ROBJ DELTA | -415128.985 |