Exposure
- ID
- GRAVI.2021-06-20T03:09:39.499_2
- Header ID
- GRAVI.2021-06-20T03:09:39.499
- Date updated
- 2021-06-20 03:20:29 UTC+0000
- Release date
- 2022-06-20 03:20:29 UTC+0000
- UTC Start
- 2021-06-20 03:09:39.499
- UTC End
- 2021-06-20 03:11:19.499
- MJD Start
- 59385.13170716
- MJD End
- 59385.1328645674
- Exposure time (s)
- 100.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00165
- Ambient temperature (°C)
- 9.7
- Seeing (arcsec)
- 1.48
Observation
- ID
- 47536
- Category
- science
- Program ID
- 105.20B2.003
- 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
- 35650
- Name
- IRS16C
- RA
- 266.417116666667
- DEC
- -29.0076491666667
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 | 56.5010 | 15.9000 | 16.2000 |
| U1-U3 | 102.0740 | 102.1020 | 21.9000 | 22.2000 |
| U1-U4 | 126.8750 | 127.0670 | 49.0900 | 49.4440 |
| U2-U3 | 46.2690 | 46.2940 | 29.3000 | 29.6000 |
| U2-U4 | 85.3890 | 85.6070 | 70.3210 | 70.6530 |
| U3-U4 | 58.9430 | 59.1200 | 101.3640 | 101.6090 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 105.20B2.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59385.13170716 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | IRS16NW |
| RA | 266.417024 |
| DEC | -29.00715 |
| 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 | 140.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 1.0 |
| HIERARCH ESO DET2 NDIT | 100 |
| HIERARCH ESO ISS PBL12 START | 56.495 |
| HIERARCH ESO ISS PBL12 END | 56.501 |
| HIERARCH ESO ISS PBLA12 START | 15.9 |
| HIERARCH ESO ISS PBLA12 END | 16.2 |
| HIERARCH ESO ISS PBL13 START | 102.074 |
| HIERARCH ESO ISS PBL13 END | 102.102 |
| HIERARCH ESO ISS PBLA13 START | 21.9 |
| HIERARCH ESO ISS PBLA13 END | 22.2 |
| HIERARCH ESO ISS PBL14 START | 126.875 |
| HIERARCH ESO ISS PBL14 END | 127.067 |
| HIERARCH ESO ISS PBLA14 START | 49.09 |
| HIERARCH ESO ISS PBLA14 END | 49.444 |
| HIERARCH ESO ISS PBL23 START | 46.269 |
| HIERARCH ESO ISS PBL23 END | 46.294 |
| HIERARCH ESO ISS PBLA23 START | 29.3 |
| HIERARCH ESO ISS PBLA23 END | 29.6 |
| HIERARCH ESO ISS PBL24 START | 85.389 |
| HIERARCH ESO ISS PBL24 END | 85.607 |
| HIERARCH ESO ISS PBLA24 START | 70.321 |
| HIERARCH ESO ISS PBLA24 END | 70.653 |
| HIERARCH ESO ISS PBL34 START | 58.943 |
| HIERARCH ESO ISS PBL34 END | 59.12 |
| HIERARCH ESO ISS PBLA34 START | 101.364 |
| HIERARCH ESO ISS PBLA34 END | 101.609 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00165 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00165 |
| HIERARCH ESO ISS AMBI TEMP | 9.7 |
| HIERARCH ESO ISS AMBI FWHM START | 1.48 |
| HIERARCH ESO ISS AMBI FWHM END | 1.48 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.108 |
| HIERARCH ESO FT ROBJ DELTA | -290027.537 |