Exposure
- ID
- GRAVI.2021-05-24T04:20:29.414_2
- Header ID
- GRAVI.2021-05-24T04:20:29.414
- Date updated
- 2021-05-24 04:35:25 UTC+0000
- Release date
- 2021-05-24 04:20:29 UTC+0000
- UTC Start
- 2021-05-24 04:20:29.414
- UTC End
- 2021-05-24 04:25:49.414
- MJD Start
- 59358.18089599
- MJD End
- 59358.1845996937
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0039645
- Ambient temperature (°C)
- 12.57
- Seeing (arcsec)
- 0.525
Observation
- ID
- 47449
- Category
- calibrator
- Program ID
- 105.20B2.002
- Program Title
- THE GALACTIC CENTER AT UNPRECEDENTED RESOLUTION - PROBING GENERAL RELATIVITY WITH GRAVITY
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ PERRIN/ STRAUBMEIER/ ROUSSELET-PERRAUT/ GARCIA/ BRANDNER/ GENZEL/ ECKART/ PAUMARD/ CL'ENET/ GAO/ HABIBI/ HORROBIN/ KERVELLA/ OTT/ WIDMANN/ VON FELLENBERG/ HENNING/ PFUHL/ WAISBERG/ DEXTER/ DE ZEEUW/ AMORIM
Target
- ID
- 35588
- Name
- IRS16C
- RA
- 266.4171125
- DEC
- -29.0076491944444
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 | 56.3810 | 56.4000 | 11.1000 | 11.9000 |
| U1-U3 | 101.5860 | 101.6690 | 16.8000 | 17.7000 |
| U1-U4 | 123.4180 | 124.0340 | 43.2670 | 44.2610 |
| U2-U3 | 45.8290 | 45.9050 | 23.9000 | 24.8000 |
| U2-U4 | 81.4100 | 82.1320 | 64.8900 | 65.8190 |
| U3-U4 | 55.6700 | 56.2720 | 97.6070 | 98.2180 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 105.20B2.002 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 59358.18089599 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | R2 |
| RA | 266.416898 |
| DEC | -29.00719 |
| 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 | 56.381 |
| HIERARCH ESO ISS PBL12 END | 56.4 |
| HIERARCH ESO ISS PBLA12 START | 11.1 |
| HIERARCH ESO ISS PBLA12 END | 11.9 |
| HIERARCH ESO ISS PBL13 START | 101.586 |
| HIERARCH ESO ISS PBL13 END | 101.669 |
| HIERARCH ESO ISS PBLA13 START | 16.8 |
| HIERARCH ESO ISS PBLA13 END | 17.7 |
| HIERARCH ESO ISS PBL14 START | 123.418 |
| HIERARCH ESO ISS PBL14 END | 124.034 |
| HIERARCH ESO ISS PBLA14 START | 43.267 |
| HIERARCH ESO ISS PBLA14 END | 44.261 |
| HIERARCH ESO ISS PBL23 START | 45.829 |
| HIERARCH ESO ISS PBL23 END | 45.905 |
| HIERARCH ESO ISS PBLA23 START | 23.9 |
| HIERARCH ESO ISS PBLA23 END | 24.8 |
| HIERARCH ESO ISS PBL24 START | 81.41 |
| HIERARCH ESO ISS PBL24 END | 82.132 |
| HIERARCH ESO ISS PBLA24 START | 64.89 |
| HIERARCH ESO ISS PBLA24 END | 65.819 |
| HIERARCH ESO ISS PBL34 START | 55.67 |
| HIERARCH ESO ISS PBL34 END | 56.272 |
| HIERARCH ESO ISS PBLA34 START | 97.607 |
| HIERARCH ESO ISS PBLA34 END | 98.218 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00409 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003839 |
| HIERARCH ESO ISS AMBI TEMP | 12.57 |
| HIERARCH ESO ISS AMBI FWHM START | 0.53 |
| HIERARCH ESO ISS AMBI FWHM END | 0.52 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |