Exposure
- ID
- GRAVI.2021-03-31T07:34:48.654_2
- Header ID
- GRAVI.2021-03-31T07:34:48.654
- Date updated
- 2021-09-29 14:27:08 UTC+0000
- Release date
- 2022-03-31 07:51:10 UTC+0000
- UTC Start
- 2021-03-31 07:34:48.654
- UTC End
- 2021-03-31 07:40:08.654
- MJD Start
- 59304.3158409
- MJD End
- 59304.3195446037
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00551
- Ambient temperature (°C)
- 10.93
- Seeing (arcsec)
- 0.415
Observation
- ID
- 47323
- Category
- science
- Program ID
- 106.20XY.001
- Program Title
- THE GALACTIC CENTER AT UNPRECEDENTED RESOLUTION - PROBING GENERAL RELATIVITY WITH GRAVITY
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ GENZEL/ STRAUBMEIER/ ROUSSELET-PERRAUT/ BRANDNER/ GARCIA/ ECKART/ KERVELLA/ OTT/ DE ZEEUW/ STADLER/ VON FELLENBERG/ WIDMANN/ HABIBI/ HENNING/ PAUMARD/ PERRIN/ HORROBIN/ CL\XC3\XA9NET
Target
- ID
- 35487
- Name
- IRS16C
- RA
- 266.417116666667
- DEC
- -29.0076493888889
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 | 56.3240 | 56.3410 | 8.6000 | 9.4000 |
| U1-U3 | 101.3270 | 101.4080 | 14.1000 | 15.0000 |
| U1-U4 | 121.3920 | 122.0510 | 40.0150 | 41.0750 |
| U2-U3 | 45.5860 | 45.6630 | 20.9000 | 21.9000 |
| U2-U4 | 78.9820 | 79.7820 | 61.8350 | 62.8350 |
| U3-U4 | 53.6050 | 54.2920 | 95.6750 | 96.2950 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 106.20XY.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59304.3158409 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.417031 |
| DEC | -29.00713 |
| 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 | 342.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 32 |
| HIERARCH ESO ISS PBL12 START | 56.324 |
| HIERARCH ESO ISS PBL12 END | 56.341 |
| HIERARCH ESO ISS PBLA12 START | 8.6 |
| HIERARCH ESO ISS PBLA12 END | 9.4 |
| HIERARCH ESO ISS PBL13 START | 101.327 |
| HIERARCH ESO ISS PBL13 END | 101.408 |
| HIERARCH ESO ISS PBLA13 START | 14.1 |
| HIERARCH ESO ISS PBLA13 END | 15.0 |
| HIERARCH ESO ISS PBL14 START | 121.392 |
| HIERARCH ESO ISS PBL14 END | 122.051 |
| HIERARCH ESO ISS PBLA14 START | 40.015 |
| HIERARCH ESO ISS PBLA14 END | 41.075 |
| HIERARCH ESO ISS PBL23 START | 45.586 |
| HIERARCH ESO ISS PBL23 END | 45.663 |
| HIERARCH ESO ISS PBLA23 START | 20.9 |
| HIERARCH ESO ISS PBLA23 END | 21.9 |
| HIERARCH ESO ISS PBL24 START | 78.982 |
| HIERARCH ESO ISS PBL24 END | 79.782 |
| HIERARCH ESO ISS PBLA24 START | 61.835 |
| HIERARCH ESO ISS PBLA24 END | 62.835 |
| HIERARCH ESO ISS PBL34 START | 53.605 |
| HIERARCH ESO ISS PBL34 END | 54.292 |
| HIERARCH ESO ISS PBLA34 START | 95.675 |
| HIERARCH ESO ISS PBLA34 END | 96.295 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00495 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00607 |
| HIERARCH ESO ISS AMBI TEMP | 10.93 |
| HIERARCH ESO ISS AMBI FWHM START | 0.43 |
| HIERARCH ESO ISS AMBI FWHM END | 0.4 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5378 |