Exposure
- ID
- GRAVI.2021-03-28T06:56:59.151_2
- Header ID
- GRAVI.2021-03-28T06:56:59.151
- Date updated
- 2021-09-29 14:27:08 UTC+0000
- Release date
- 2021-03-28 06:56:59 UTC+0000
- UTC Start
- 2021-03-28 06:56:59.151
- UTC End
- 2021-03-28 07:02:19.151
- MJD Start
- 59301.28957351
- MJD End
- 59301.2932772137
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0045735
- Ambient temperature (°C)
- 12.41
- Seeing (arcsec)
- 0.635
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 | 56.2300 | 56.2340 | 1.5000 | 2.3000 |
| U1-U3 | 100.7640 | 100.8110 | 6.3000 | 7.2000 |
| U1-U4 | 115.5500 | 116.2120 | 29.9300 | 31.1820 |
| U2-U3 | 44.9820 | 45.0410 | 12.3000 | 13.4000 |
| U2-U4 | 71.3400 | 72.2690 | 51.9930 | 53.2570 |
| U3-U4 | 46.6080 | 47.5090 | 90.0270 | 90.7170 |
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 | 59301.28957351 |
| 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 | 56.23 |
| HIERARCH ESO ISS PBL12 END | 56.234 |
| HIERARCH ESO ISS PBLA12 START | 1.5 |
| HIERARCH ESO ISS PBLA12 END | 2.3 |
| HIERARCH ESO ISS PBL13 START | 100.764 |
| HIERARCH ESO ISS PBL13 END | 100.811 |
| HIERARCH ESO ISS PBLA13 START | 6.3 |
| HIERARCH ESO ISS PBLA13 END | 7.2 |
| HIERARCH ESO ISS PBL14 START | 115.55 |
| HIERARCH ESO ISS PBL14 END | 116.212 |
| HIERARCH ESO ISS PBLA14 START | 29.93 |
| HIERARCH ESO ISS PBLA14 END | 31.182 |
| HIERARCH ESO ISS PBL23 START | 44.982 |
| HIERARCH ESO ISS PBL23 END | 45.041 |
| HIERARCH ESO ISS PBLA23 START | 12.3 |
| HIERARCH ESO ISS PBLA23 END | 13.4 |
| HIERARCH ESO ISS PBL24 START | 71.34 |
| HIERARCH ESO ISS PBL24 END | 72.269 |
| HIERARCH ESO ISS PBLA24 START | 51.993 |
| HIERARCH ESO ISS PBLA24 END | 53.257 |
| HIERARCH ESO ISS PBL34 START | 46.608 |
| HIERARCH ESO ISS PBL34 END | 47.509 |
| HIERARCH ESO ISS PBLA34 START | 90.027 |
| HIERARCH ESO ISS PBLA34 END | 90.717 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004691 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004456 |
| HIERARCH ESO ISS AMBI TEMP | 12.41 |
| HIERARCH ESO ISS AMBI FWHM START | 0.63 |
| HIERARCH ESO ISS AMBI FWHM END | 0.64 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1080 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5378 |