Exposure
- ID
- GRAVI.2021-05-31T08:34:41.355_2
- Header ID
- GRAVI.2021-05-31T08:34:41.355
- Date updated
- 2021-05-31 08:51:11 UTC+0000
- Release date
- 2021-05-31 08:34:41 UTC+0000
- UTC Start
- 2021-05-31 08:34:41.355
- UTC End
- 2021-05-31 08:40:01.355
- MJD Start
- 59365.35742309
- MJD End
- 59365.3611267937
- Exposure time (s)
- 320.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004105
- Ambient temperature (°C)
- 11.23
- Seeing (arcsec)
- 0.67
Observation
- ID
- 47461
- 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
- 35598
- Name
- IRS16C
- RA
- 266.417116666667
- 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 | 51.9150 | 51.5970 | 38.9000 | 39.2000 |
| U1-U3 | 91.8370 | 91.1150 | 45.1000 | 45.4000 |
| U1-U4 | 106.4890 | 104.8570 | 76.2660 | 76.7550 |
| U2-U3 | 40.6180 | 40.2060 | 53.1000 | 53.4000 |
| U2-U4 | 72.4080 | 71.2610 | 102.0320 | 102.9350 |
| U3-U4 | 55.0360 | 54.5810 | 135.8390 | 137.0410 |
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 | 59365.35742309 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | R2 |
| RA | 266.4168 |
| 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 | 51.915 |
| HIERARCH ESO ISS PBL12 END | 51.597 |
| HIERARCH ESO ISS PBLA12 START | 38.9 |
| HIERARCH ESO ISS PBLA12 END | 39.2 |
| HIERARCH ESO ISS PBL13 START | 91.837 |
| HIERARCH ESO ISS PBL13 END | 91.115 |
| HIERARCH ESO ISS PBLA13 START | 45.1 |
| HIERARCH ESO ISS PBLA13 END | 45.4 |
| HIERARCH ESO ISS PBL14 START | 106.489 |
| HIERARCH ESO ISS PBL14 END | 104.857 |
| HIERARCH ESO ISS PBLA14 START | 76.266 |
| HIERARCH ESO ISS PBLA14 END | 76.755 |
| HIERARCH ESO ISS PBL23 START | 40.618 |
| HIERARCH ESO ISS PBL23 END | 40.206 |
| HIERARCH ESO ISS PBLA23 START | 53.1 |
| HIERARCH ESO ISS PBLA23 END | 53.4 |
| HIERARCH ESO ISS PBL24 START | 72.408 |
| HIERARCH ESO ISS PBL24 END | 71.261 |
| HIERARCH ESO ISS PBLA24 START | 102.032 |
| HIERARCH ESO ISS PBLA24 END | 102.935 |
| HIERARCH ESO ISS PBL34 START | 55.036 |
| HIERARCH ESO ISS PBL34 END | 54.581 |
| HIERARCH ESO ISS PBLA34 START | 135.839 |
| HIERARCH ESO ISS PBLA34 END | 137.041 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004036 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004174 |
| HIERARCH ESO ISS AMBI TEMP | 11.23 |
| HIERARCH ESO ISS AMBI FWHM START | 0.7 |
| 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 | -290027.5371 |