Exposure
- ID
- GRAVI.2023-09-01T23:39:43.447_2
- Header ID
- GRAVI.2023-09-01T23:39:43.447
- Date updated
- 2023-09-01 23:55:16 UTC+0000
- Release date
- 2023-09-01 23:39:43 UTC+0000
- UTC Start
- 2023-09-01 23:39:43.447
- UTC End
- 2023-09-01 23:45:43.447
- MJD Start
- 60188.98591953
- MJD End
- 60188.99008619667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0019525000000000002
- Ambient temperature (°C)
- 11.64
- Seeing (arcsec)
- 1.5150000000000001
Observation
- ID
- 56825
- Category
- calibrator
- Program ID
- 111.24H1.005
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - PROBING EVENT HORIZON SCALE PHYSICS WITH STARS AND FLARES
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ GENZEL/ OTT/ STRAUBMEIER/ BRANDNER/ ROUSSELET-PERRAUT/ PERRIN/ GARCIA/ ECKART/ DE ZEEUW/ WIDMANN/ PAUMARD/ HORROBIN/ VINCENT/ DRESCHER/ BOURDAROT/ CAO/ LUTZ/ STURM/ RIBEIRO
Target
- ID
- 42114
- Name
- IRS16C
- RA
- 266.4171083333333
- DEC
- -29.007644694444444
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 | 56.4590 | 56.4200 | 25.5000 | 26.2000 |
| U1-U3 | 102.2890 | 102.2070 | 31.8000 | 32.6000 |
| U1-U4 | 130.1850 | 130.1010 | 59.8280 | 60.5970 |
| U2-U3 | 46.5940 | 46.5550 | 39.5000 | 40.3000 |
| U2-U4 | 89.4250 | 89.4190 | 80.6880 | 81.4780 |
| U3-U4 | 62.4020 | 62.4540 | 110.1240 | 110.8970 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.005 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 60188.98591953 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | R2 |
| RA | 266.416848 |
| DEC | -29.00725 |
| HIERARCH ESO INS SPEC RES | LOW |
| HIERARCH ESO INS POLA MODE | SPLIT |
| 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 | 389.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 56.459 |
| HIERARCH ESO ISS PBL12 END | 56.42 |
| HIERARCH ESO ISS PBLA12 START | 25.5 |
| HIERARCH ESO ISS PBLA12 END | 26.2 |
| HIERARCH ESO ISS PBL13 START | 102.289 |
| HIERARCH ESO ISS PBL13 END | 102.207 |
| HIERARCH ESO ISS PBLA13 START | 31.8 |
| HIERARCH ESO ISS PBLA13 END | 32.6 |
| HIERARCH ESO ISS PBL14 START | 130.185 |
| HIERARCH ESO ISS PBL14 END | 130.101 |
| HIERARCH ESO ISS PBLA14 START | 59.828 |
| HIERARCH ESO ISS PBLA14 END | 60.597 |
| HIERARCH ESO ISS PBL23 START | 46.594 |
| HIERARCH ESO ISS PBL23 END | 46.555 |
| HIERARCH ESO ISS PBLA23 START | 39.5 |
| HIERARCH ESO ISS PBLA23 END | 40.3 |
| HIERARCH ESO ISS PBL24 START | 89.425 |
| HIERARCH ESO ISS PBL24 END | 89.419 |
| HIERARCH ESO ISS PBLA24 START | 80.688 |
| HIERARCH ESO ISS PBLA24 END | 81.478 |
| HIERARCH ESO ISS PBL34 START | 62.402 |
| HIERARCH ESO ISS PBL34 END | 62.454 |
| HIERARCH ESO ISS PBLA34 START | 110.124 |
| HIERARCH ESO ISS PBLA34 END | 110.897 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.001907 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.001998 |
| HIERARCH ESO ISS AMBI TEMP | 11.64 |
| HIERARCH ESO ISS AMBI FWHM START | 1.47 |
| HIERARCH ESO ISS AMBI FWHM END | 1.56 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5209 |