Exposure
- ID
- GRAVI.2024-07-17T03:27:45.115_2
- Header ID
- GRAVI.2024-07-17T03:27:45.115
- Date updated
- 2024-07-17 03:40:37 UTC+0000
- Release date
- 2025-07-17 03:40:37 UTC+0000
- UTC Start
- 2024-07-17 03:27:45.115
- UTC End
- 2024-07-17 03:33:45.115
- MJD Start
- 60508.14427216
- MJD End
- 60508.1484388267
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006337
- Ambient temperature (°C)
- 17.43
- Seeing (arcsec)
- 0.67
Observation
- ID
- 60139
- Category
- science
- Program ID
- 113.268P.004
- 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 | 55.9890 | 55.8840 | 30.2000 | 30.8000 |
| U1-U3 | 101.2420 | 101.0000 | 36.6000 | 37.2000 |
| U1-U4 | 128.2020 | 127.6580 | 64.9870 | 65.6600 |
| U2-U3 | 46.0220 | 45.8840 | 44.4000 | 45.0000 |
| U2-U4 | 88.2010 | 87.8100 | 86.2160 | 86.9850 |
| U3-U4 | 62.0560 | 61.8810 | 115.8760 | 116.7410 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.268P.004 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60508.14427216 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416869 |
| DEC | -29.00738 |
| 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 | 55.989 |
| HIERARCH ESO ISS PBL12 END | 55.884 |
| HIERARCH ESO ISS PBLA12 START | 30.2 |
| HIERARCH ESO ISS PBLA12 END | 30.8 |
| HIERARCH ESO ISS PBL13 START | 101.242 |
| HIERARCH ESO ISS PBL13 END | 101.0 |
| HIERARCH ESO ISS PBLA13 START | 36.6 |
| HIERARCH ESO ISS PBLA13 END | 37.2 |
| HIERARCH ESO ISS PBL14 START | 128.202 |
| HIERARCH ESO ISS PBL14 END | 127.658 |
| HIERARCH ESO ISS PBLA14 START | 64.987 |
| HIERARCH ESO ISS PBLA14 END | 65.66 |
| HIERARCH ESO ISS PBL23 START | 46.022 |
| HIERARCH ESO ISS PBL23 END | 45.884 |
| HIERARCH ESO ISS PBLA23 START | 44.4 |
| HIERARCH ESO ISS PBLA23 END | 45.0 |
| HIERARCH ESO ISS PBL24 START | 88.201 |
| HIERARCH ESO ISS PBL24 END | 87.81 |
| HIERARCH ESO ISS PBLA24 START | 86.216 |
| HIERARCH ESO ISS PBLA24 END | 86.985 |
| HIERARCH ESO ISS PBL34 START | 62.056 |
| HIERARCH ESO ISS PBL34 END | 61.881 |
| HIERARCH ESO ISS PBLA34 START | 115.876 |
| HIERARCH ESO ISS PBLA34 END | 116.741 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006708 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005966 |
| HIERARCH ESO ISS AMBI TEMP | 17.43 |
| HIERARCH ESO ISS AMBI FWHM START | 0.68 |
| HIERARCH ESO ISS AMBI FWHM END | 0.66 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |