Exposure
- ID
- GRAVI.2024-03-27T04:52:44.048_1
- Header ID
- GRAVI.2024-03-27T04:52:44.048
- Date updated
- 2024-03-27 05:00:32 UTC+0000
- Release date
- 2025-03-27 05:00:32 UTC+0000
- UTC Start
- 2024-03-27 04:52:44.048
- UTC End
- 2024-03-27 04:54:44.048
- MJD Start
- 60396.20328759
- MJD End
- 60396.2046764789
- Exposure time (s)
- 120.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0077725
- Ambient temperature (°C)
- 14.12
- Seeing (arcsec)
- 0.59
Observation
- ID
- 58842
- Category
- science
- Program ID
- 113.26T9.001
- Program Title
- FIRST SYSTEMATIC SEARCH FOR PARSEC-SCALE SUPERMASSIVE BLACK HOLE BINARIES WITH VLTI/GRAVITY
- Program Type
- Normal
- PI / COI
- SHANGGUAN / SHIMIZU / GENZEL / DAVIES / STURM / LUTZ / EISENHAUER / TACCONI / FORSTER SCHREIBER / DEXTER / SANTOS / CAO / HOENIG / PERRIN / PETROV / PAUMARD / CLÉNET / DE ZEEUW / LEFTLEY / SYKES / LI
Target
- ID
- 43565
- Name
- NGC_4507
- RA
- 188.905575
- DEC
- -39.90869
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 55.0290 | 54.9810 | 26.2000 | 26.5000 |
| U1-U3 | 100.0390 | 99.9400 | 32.7000 | 33.0000 |
| U1-U4 | 129.3340 | 129.2220 | 60.5010 | 60.8710 |
| U2-U3 | 45.7730 | 45.7250 | 40.4000 | 40.7000 |
| U2-U4 | 89.4060 | 89.3870 | 80.7830 | 81.1790 |
| U3-U4 | 62.0840 | 62.1360 | 109.3200 | 109.7000 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.26T9.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,SINGLE |
| MJD-OBS | 60396.20328759 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | NGC 4507 |
| HIERARCH ESO INS SOBJ NAME | NGC_4507 |
| RA | 188.905575 |
| DEC | -39.90869 |
| 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 | 150.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 1.0 |
| HIERARCH ESO DET2 NDIT | 120 |
| HIERARCH ESO ISS PBL12 START | 55.029 |
| HIERARCH ESO ISS PBL12 END | 54.981 |
| HIERARCH ESO ISS PBLA12 START | 26.2 |
| HIERARCH ESO ISS PBLA12 END | 26.5 |
| HIERARCH ESO ISS PBL13 START | 100.039 |
| HIERARCH ESO ISS PBL13 END | 99.94 |
| HIERARCH ESO ISS PBLA13 START | 32.7 |
| HIERARCH ESO ISS PBLA13 END | 33.0 |
| HIERARCH ESO ISS PBL14 START | 129.334 |
| HIERARCH ESO ISS PBL14 END | 129.222 |
| HIERARCH ESO ISS PBLA14 START | 60.501 |
| HIERARCH ESO ISS PBLA14 END | 60.871 |
| HIERARCH ESO ISS PBL23 START | 45.773 |
| HIERARCH ESO ISS PBL23 END | 45.725 |
| HIERARCH ESO ISS PBLA23 START | 40.4 |
| HIERARCH ESO ISS PBLA23 END | 40.7 |
| HIERARCH ESO ISS PBL24 START | 89.406 |
| HIERARCH ESO ISS PBL24 END | 89.387 |
| HIERARCH ESO ISS PBLA24 START | 80.783 |
| HIERARCH ESO ISS PBLA24 END | 81.179 |
| HIERARCH ESO ISS PBL34 START | 62.084 |
| HIERARCH ESO ISS PBL34 END | 62.136 |
| HIERARCH ESO ISS PBLA34 START | 109.32 |
| HIERARCH ESO ISS PBLA34 END | 109.7 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008494 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007051 |
| HIERARCH ESO ISS AMBI TEMP | 14.12 |
| HIERARCH ESO ISS AMBI FWHM START | 0.6 |
| HIERARCH ESO ISS AMBI FWHM END | 0.58 |