Comet P/1997 T3 = 2014 O2 (Lagerkvist-Carsenty)
E. Schwabの通報によると7月29-30日UT、P. RuizがTenerife, スペインのESA(欧州宇宙機関)
の光学地上局の1.0-m f/4.4 反射望遠鏡で得た画像からSchwabらの測定により19.9-20.4等の
P/1997 T3 (Lagerkvist-Carsenty)を検出した。
7月29-30日の観測ではほとんど恒星状に見え、尾はなかった。
検出位置は次のとおり、
2014 UT R.A. (2000) Decl. Mag. Observer
July 29.08228 00 56 44.66 +00 51 23.4 20.0 Ruiz
29.11716 00 56 44.97 +00 51 24.1 19.9
29.17448 00 56 45.53 +00 51 25.2 20.3
29.20174 00 56 45.79 +00 51 25.6 20.1
30.09233 00 56 54.48 +00 51 40.5 20.3
30.13069 00 56 54.82 +00 51 40.9 20.4
30.18739 00 56 55.32 +00 51 41.9 20.3
MPC 79348のB. G. Marsdenの予報に対し、Delta(T)は、-1.28 daysであった。
連結軌道要素、位置推算表は次のとおり、
Orbital elements:
P/1997 T3 (Lagerkvist-Carsenty)
Epoch 1998 Mar. 8.0 TT = JDT 2450880.5
T 1998 Mar. 11.25072 TT MPC
q 4.2401820 (2000.0) P Q
n 0.05707024 Peri. 334.20425 +0.79299846 -0.60455998
a 6.6813301 Node 63.19894 +0.57252856 +0.69731619
e 0.3653686 Incl. 4.83533 +0.20824142 +0.38504201
P 17.3
From 171 observations 1997 Oct. 5-2014 July 30, mean residual 0".6.
P/1997 T3 (Lagerkvist-Carsenty)
Epoch 2015 May 18.0 TT = JDT 2457160.5
T 2015 May 7.35857 TT MPC
q 4.2257220 (2000.0) P Q
n 0.05763693 Peri. 334.05878 +0.79524808 -0.60157950
a 6.6374636 Node 63.13042 +0.56992462 +0.69934481
e 0.3633529 Incl. 4.84765 +0.20680045 +0.38602970
P 17.1
From 171 observations 1997 Oct. 5-2014 July 30, mean residual 0".6.
P/1997 T3 (Lagerkvist-Carsenty)
Epoch 2032 May 8.0 TT = JDT 2463360.5
T 2032 May 1.35414 TT MPC
q 4.2202347 (2000.0) P Q
n 0.05766547 Peri. 333.39509 +0.80328458 -0.59081670
a 6.6352734 Node 63.02249 +0.56039521 +0.70692826
e 0.3639697 Incl. 4.84670 +0.20172034 +0.38882910
P 17.1
From 171 observations 1997 Oct. 5-2014 July 30, mean residual 0".6.
P/1997 T3 (Lagerkvist-Carsenty)
Epoch 2014 May 23.0 TT = JDT 2456800.5
T 2015 May 7.12609 TT MPC
q 4.2258531 (2000.0) P Q
n 0.05754915 Peri. 334.02401 +0.79552208 -0.60121771
a 6.6442116 Node 63.13907 +0.56960810 +0.69961184
e 0.3639798 Incl. 4.84697 +0.20661857 +0.38610950
P 17.1
From 171 observations 1997 Oct. 5-2014 July 30, mean residual 0".6.
Ephemeris:
P/1997 T3 (Lagerkvist-Carsenty)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2014 06 30 00 46 46.7 +00 09 47 4.4347 4.5001 87.1 13.0 20.3
...
2014 07 15 00 53 07.5 +00 39 08 4.1900 4.4757 99.8 12.9 20.1
...
2014 07 23 00 55 28.8 +00 48 00 4.0629 4.4631 106.8 12.6 20.0
...
2014 07 29 00 56 43.7 +00 51 23 3.9704 4.4538 112.2 12.2 20.0
2014 07 30 00 56 53.5 +00 51 40 3.9554 4.4523 113.1 12.1 20.0
2014 07 31 00 57 02.5 +00 51 53 3.9404 4.4507 114.0 12.0 19.9
...
2014 08 06 00 57 40.0 +00 51 30 3.8528 4.4416 119.6 11.5 19.9
...
2014 08 14 00 57 45.5 +00 46 42 3.7433 4.4298 127.2 10.5 19.8
...
2014 08 29 00 55 38.0 +00 25 17 3.5671 4.4083 142.1 8.1 19.5
Computer: Williams
(CBET 3925、MPEC 2014-O65)