Exposure
- ID
- GRAVI.2021-05-23T06:11:24.408_2
- Header ID
- GRAVI.2021-05-23T06:11:24.408
- Date updated
- 2021-05-23 06:25:18 UTC+0000
- Release date
- 2022-05-23 06:25:18 UTC+0000
- UTC Start
- 2021-05-23 06:11:24.408
- UTC End
- 2021-05-23 06:16:44.408
- MJD Start
- 59357.25792139
- MJD End
- 59357.2616250937
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0067485
- Ambient temperature (°C)
- 11.79
- Seeing (arcsec)
- 0.27
Observation
- ID
- 47451
- Category
- science
- 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 | 56.4950 | 56.4680 | 24.7000 | 25.3000 |
| U1-U3 | 102.3570 | 102.3060 | 31.0000 | 31.6000 |
| U1-U4 | 130.2080 | 130.1970 | 58.9340 | 59.6240 |
| U2-U3 | 46.6240 | 46.6020 | 38.7000 | 39.3000 |
| U2-U4 | 89.3680 | 89.4180 | 79.7830 | 80.4810 |
| U3-U4 | 62.3040 | 62.3840 | 109.2580 | 109.9230 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 105.20B2.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59357.25792139 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S2 |
| RA | 266.416924 |
| DEC | -29.00736 |
| 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 | 56.495 |
| HIERARCH ESO ISS PBL12 END | 56.468 |
| HIERARCH ESO ISS PBLA12 START | 24.7 |
| HIERARCH ESO ISS PBLA12 END | 25.3 |
| HIERARCH ESO ISS PBL13 START | 102.357 |
| HIERARCH ESO ISS PBL13 END | 102.306 |
| HIERARCH ESO ISS PBLA13 START | 31.0 |
| HIERARCH ESO ISS PBLA13 END | 31.6 |
| HIERARCH ESO ISS PBL14 START | 130.208 |
| HIERARCH ESO ISS PBL14 END | 130.197 |
| HIERARCH ESO ISS PBLA14 START | 58.934 |
| HIERARCH ESO ISS PBLA14 END | 59.624 |
| HIERARCH ESO ISS PBL23 START | 46.624 |
| HIERARCH ESO ISS PBL23 END | 46.602 |
| HIERARCH ESO ISS PBLA23 START | 38.7 |
| HIERARCH ESO ISS PBLA23 END | 39.3 |
| HIERARCH ESO ISS PBL24 START | 89.368 |
| HIERARCH ESO ISS PBL24 END | 89.418 |
| HIERARCH ESO ISS PBLA24 START | 79.783 |
| HIERARCH ESO ISS PBLA24 END | 80.481 |
| HIERARCH ESO ISS PBL34 START | 62.304 |
| HIERARCH ESO ISS PBL34 END | 62.384 |
| HIERARCH ESO ISS PBLA34 START | 109.258 |
| HIERARCH ESO ISS PBLA34 END | 109.923 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007078 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006419 |
| HIERARCH ESO ISS AMBI TEMP | 11.79 |
| HIERARCH ESO ISS AMBI FWHM START | 0.25 |
| HIERARCH ESO ISS AMBI FWHM END | 0.29 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1070 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5371 |