Exposure
- ID
- GRAVI.2021-03-28T08:50:41.438_2
- Header ID
- GRAVI.2021-03-28T08:50:41.438
- Date updated
- 2021-09-29 14:27:08 UTC+0000
- Release date
- 2021-03-28 08:50:41 UTC+0000
- UTC Start
- 2021-03-28 08:50:41.438
- UTC End
- 2021-03-28 08:56:01.438
- MJD Start
- 59301.36853516
- MJD End
- 59301.3722388637
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004212
- Ambient temperature (°C)
- 11.82
- Seeing (arcsec)
- 0.65
Observation
- ID
- 47321
- Category
- calibrator
- 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 | 56.5230 | 56.5350 | 17.3000 | 18.0000 |
| U1-U3 | 102.1970 | 102.2550 | 23.4000 | 24.2000 |
| U1-U4 | 127.7350 | 128.1480 | 50.7270 | 51.5720 |
| U2-U3 | 46.3810 | 46.4330 | 30.8000 | 31.6000 |
| U2-U4 | 86.3610 | 86.8270 | 71.8550 | 72.6490 |
| U3-U4 | 59.7310 | 60.1080 | 102.5140 | 103.1280 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 106.20XY.001 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 59301.36853516 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | R2 |
| RA | 266.416976 |
| DEC | -29.00714 |
| 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 | 56.523 |
| HIERARCH ESO ISS PBL12 END | 56.535 |
| HIERARCH ESO ISS PBLA12 START | 17.3 |
| HIERARCH ESO ISS PBLA12 END | 18.0 |
| HIERARCH ESO ISS PBL13 START | 102.197 |
| HIERARCH ESO ISS PBL13 END | 102.255 |
| HIERARCH ESO ISS PBLA13 START | 23.4 |
| HIERARCH ESO ISS PBLA13 END | 24.2 |
| HIERARCH ESO ISS PBL14 START | 127.735 |
| HIERARCH ESO ISS PBL14 END | 128.148 |
| HIERARCH ESO ISS PBLA14 START | 50.727 |
| HIERARCH ESO ISS PBLA14 END | 51.572 |
| HIERARCH ESO ISS PBL23 START | 46.381 |
| HIERARCH ESO ISS PBL23 END | 46.433 |
| HIERARCH ESO ISS PBLA23 START | 30.8 |
| HIERARCH ESO ISS PBLA23 END | 31.6 |
| HIERARCH ESO ISS PBL24 START | 86.361 |
| HIERARCH ESO ISS PBL24 END | 86.827 |
| HIERARCH ESO ISS PBLA24 START | 71.855 |
| HIERARCH ESO ISS PBLA24 END | 72.649 |
| HIERARCH ESO ISS PBL34 START | 59.731 |
| HIERARCH ESO ISS PBL34 END | 60.108 |
| HIERARCH ESO ISS PBLA34 START | 102.514 |
| HIERARCH ESO ISS PBLA34 END | 103.128 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003755 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004669 |
| HIERARCH ESO ISS AMBI TEMP | 11.82 |
| HIERARCH ESO ISS AMBI FWHM START | 0.7 |
| HIERARCH ESO ISS AMBI FWHM END | 0.6 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5378 |