Exposure
- ID
- GRAVI.2024-04-30T08:48:53.184_2
- Header ID
- GRAVI.2024-04-30T08:48:53.184
- Date updated
- 2024-04-30 09:05:39 UTC+0000
- Release date
- 2025-04-30 09:05:39 UTC+0000
- UTC Start
- 2024-04-30 08:48:53.184
- UTC End
- 2024-04-30 08:54:53.184
- MJD Start
- 60430.36728222
- MJD End
- 60430.3714488867
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006489
- Ambient temperature (°C)
- 15.16
- Seeing (arcsec)
- 0.345
Observation
- ID
- 58934
- Category
- science
- Program ID
- 113.268P.001
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - MEASURING THE SPIN OF SGR A* BY MEANS OF DEEP GRAVITY INTERFEROMETRY
- Program Type
- GTO
- PI / COI
- EISENHAUER / GILLESSEN / GENZEL / OTT / WIDMANN / DRESCHER / RIBEIRO / SADUN BORDONI / STRAUBMEIER / BRANDNER / PERRIN / ROUSSELET-PERRAUT / GARCIA / MANG / PAUMARD / ECKART / VINCENT / BOURDAROT / LUTZ / STURM / CAO / HORROBIN / LE BOUQUIN / KREIDBERG /
Target
- ID
- 43560
- Name
- IRS16C
- RA
- 266.417083333333
- DEC
- -29.0076816944444
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 | 55.7390 | 55.6090 | 31.5000 | 32.1000 |
| U1-U3 | 100.6630 | 100.3610 | 37.9000 | 38.5000 |
| U1-U4 | 126.8890 | 126.1930 | 66.4800 | 67.1300 |
| U2-U3 | 45.6900 | 45.5160 | 45.7000 | 46.3000 |
| U2-U4 | 87.2500 | 86.7390 | 87.9430 | 88.7180 |
| U3-U4 | 61.6250 | 61.3870 | 117.8380 | 118.7420 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60430.36728222 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.41685 |
| 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 | 389.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 55.739 |
| HIERARCH ESO ISS PBL12 END | 55.609 |
| HIERARCH ESO ISS PBLA12 START | 31.5 |
| HIERARCH ESO ISS PBLA12 END | 32.1 |
| HIERARCH ESO ISS PBL13 START | 100.663 |
| HIERARCH ESO ISS PBL13 END | 100.361 |
| HIERARCH ESO ISS PBLA13 START | 37.9 |
| HIERARCH ESO ISS PBLA13 END | 38.5 |
| HIERARCH ESO ISS PBL14 START | 126.889 |
| HIERARCH ESO ISS PBL14 END | 126.193 |
| HIERARCH ESO ISS PBLA14 START | 66.48 |
| HIERARCH ESO ISS PBLA14 END | 67.13 |
| HIERARCH ESO ISS PBL23 START | 45.69 |
| HIERARCH ESO ISS PBL23 END | 45.516 |
| HIERARCH ESO ISS PBLA23 START | 45.7 |
| HIERARCH ESO ISS PBLA23 END | 46.3 |
| HIERARCH ESO ISS PBL24 START | 87.25 |
| HIERARCH ESO ISS PBL24 END | 86.739 |
| HIERARCH ESO ISS PBLA24 START | 87.943 |
| HIERARCH ESO ISS PBLA24 END | 88.718 |
| HIERARCH ESO ISS PBL34 START | 61.625 |
| HIERARCH ESO ISS PBL34 END | 61.387 |
| HIERARCH ESO ISS PBLA34 START | 117.838 |
| HIERARCH ESO ISS PBLA34 END | 118.742 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00676 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006218 |
| HIERARCH ESO ISS AMBI TEMP | 15.16 |
| HIERARCH ESO ISS AMBI FWHM START | 0.32 |
| HIERARCH ESO ISS AMBI FWHM END | 0.37 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |